Company lists · Data refreshed November 2026
Top 25 Open source cloud computing companies worldwide
RevenueBase identified 400 company matches for open source cloud computing companies worldwide as of November 2026 and tracks 34,352 professional contacts across them, including 14,764 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for open source cloud computing companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 4, 2026. Country and city lists for open source cloud computing companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest open source cloud computing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 25,149 contacts → | ||||
Exact match “Red Hat is the world’s leading provider of enterprise open source solutions, using a community-powered approach to deliver high-performing Linux, hybrid cloud, edge, and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 2 | 2,459 contacts → | ||||
Exact match “SUSE is a global leader of enterprise open source software.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 2,130 contacts → | ||||
Exact match “At HashiCorp, we believe infrastructure enables innovation, and we are helping organizations to operate that infrastructure in the cloud.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 4 | 530 contacts → | ||||
Exact match “Yandex Cloud is a public cloud platform where companies can create and develop projects using Yandex's scalable computing power, advanced technologies, and infrastructure.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 5 | 419 contacts → | ||||
Exact match “Spektra Systems is an innovation leader in cloud computing products and services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 299 contacts → | ||||
Exact match “At Annapurna Labs, we're building the silicon foundation that powers the world's AI and cloud.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 187 contacts → | ||||
Exact match “Btech was developed from a vision of ICT utilization that is efficient and environmental-friendly for companies with the main mission to utilize FOSS (Free/Open Source Software)…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 128 contacts → | ||||
Exact match “Akash Network, created by Overclock Labs, is a decentralized peer-to-peer marketplace for cloud compute and provides a fast, efficient, and low-cost application deployment…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 127 contacts → | ||||
Exact match “Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 10 | 122 contacts → | ||||
Exact match “Joyent, a wholly-owned subsidiary of Samsung, is a provider of modern, open cloud infrastructure as a service.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 99 contacts → | ||||
Exact match “Write Code.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 98 contacts → | ||||
Exact match “We are helping the world’s leading organizations drive accelerated time to market, increased product quality and operational efficiency by leveraging composability.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 93 contacts → | ||||
Exact match “OpenStack is an open source software project Hosted by the OpenInfra Foundation for creating private and public clouds.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 74 contacts → | ||||
Exact match “Valcann is specialized in Cloud Computing solutions.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match “OpenNebula Systems is the open source company behind OpenNebula, supporting its community and providing SLA-based support, consulting, and managed cloud services to corporate…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 42 contacts → | ||||
Exact match “We help developers and company create fast, resource-efficient, secure infrastructure applications, targeting a wide range of deployment platform: from cloud to IoT, through…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 41 contacts → | ||||
Exact match “Ozgur Software Inc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 34 contacts → | ||||
Exact match “Since our inception in 2009, Ashnik has consistently led the way in introducing advanced open source technologies to the Southeast Asian and Indian markets.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 29 contacts → | ||||
Exact match “Configr provides the easiest way to manage your servers and deploy your applications on your own private cloud; from anywhere you want, to anywhere it is.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “25 years of Linux & Open Source expertise, applied to what matters right now: digital sovereignty, containerization & virtualization.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “Obsidian Systems is an established supplier of Open Source software solutions.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 25 contacts → | ||||
Exact match “Level27 zorgt voor relaxte online ervaringen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 24 contacts → | ||||
Exact match “Piros is a Red Hat & Open Source eco-system within De Cronos Groep that covers the full Red Hat product portfolio.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 24 contacts → | ||||
Exact match “OpenMetal delivers hosted private cloud and bare metal infrastructure that gives organizations a real alternative to building their own private cloud or committing to a…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “Der wolkenhof setzt sich aus den Bereichen IT, OFFICE und GREENCLOUD zusammen.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “open source cloud computing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 400 open source cloud computing companies worldwide
See the full list, filter by size, metro and specialty, and access 14,764 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source cloud computing companies worldwide at a glance
As of Nov 4, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for open source cloud computing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source cloud computing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 14,764 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 4, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Open source cloud computing companies by location
1 lists · largest firstEvery Open source cloud computing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “open source cloud computing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source cloud computing companies are there worldwide?
RevenueBase identified 400 company matches for open source cloud computing companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RED HAT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open source cloud computing companies?
The United States leads with 60 companies. Every open source cloud computing companies list by country and city is linked on this page.
Which city has the most open source cloud computing companies?
London leads with 8 company records, followed by New York (6) and Paris (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 14,764 professional contacts with verified work emails tracked across these 400 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 400 open source cloud computing companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- B2B demand generation agencies based in the United States
- instantly lookalikes
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- Industrial iot companies based in Brazil
- Industrial iot companies based in Germany
- Industrial iot companies based in Italy
Company intelligence · public preview
Top 25 open source cloud computing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 400 matching company records for open source cloud computing companies worldwide, with 34,352 tracked contacts and 14,764 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 open source cloud computing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  RED HATredhat.comHQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 25,149 contacts → |
“Red Hat is the world’s leading provider of enterprise open source solutions, using a community-powered approach to deliver high-performing Linux, hybrid cloud, edge, and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SUSEsuse.comHQ: Nuremberg, GermanyReported employees: 1,001-5,000 | Nuremberg, Germany | 1,001-5,000 | Exact match | 2,459 contacts → |
“SUSE is a global leader of enterprise open source software.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hashicorphashicorp.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,130 contacts → |
“At HashiCorp, we believe infrastructure enables innovation, and we are helping organizations to operate that infrastructure in the cloud.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Yandex Cloudcloud.yandex.comHQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 530 contacts → |
“Yandex Cloud is a public cloud platform where companies can create and develop projects using Yandex's scalable computing power, advanced technologies, and infrastructure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Spektra Systemsspektrasystems.comHQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 419 contacts → |
“Spektra Systems is an innovation leader in cloud computing products and services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Annapurna Labsamazon.jobsHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 299 contacts → |
“At Annapurna Labs, we're building the silicon foundation that powers the world's AI and cloud.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  PT Boer Technology Btechbtech.idHQ: Bogor, IndonesiaReported employees: 51-200 | Bogor, Indonesia | 51-200 | Exact match | 187 contacts → |
“Btech was developed from a vision of ICT utilization that is efficient and environmental-friendly for companies with the main mission to utilize FOSS (Free/Open Source Software)…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Overclock Labs, Creators Of Akash Networkakash.networkHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 128 contacts → |
“Akash Network, created by Overclock Labs, is a decentralized peer-to-peer marketplace for cloud compute and provides a fast, efficient, and low-cost application deployment…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Linodeakamai.comHQ: Philadelphia, PA, United StatesReported employees: 5,001-10,000 | Philadelphia, PA, United States | 5,001-10,000 | Exact match | 127 contacts → |
“Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Joyentjoyent.comHQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 122 contacts → |
“Joyent, a wholly-owned subsidiary of Samsung, is a provider of modern, open cloud infrastructure as a service.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Clever Cloudclever.cloudHQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 99 contacts → |
“Write Code.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BIT Cloudbit.cloudHQ: Fully Remote And Distributed, United StatesReported employees: 11-50 | Fully Remote And Distributed, United States | 11-50 | Exact match | 98 contacts → |
“We are helping the world’s leading organizations drive accelerated time to market, increased product quality and operational efficiency by leveraging composability.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Openstackopenstack.orgHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 93 contacts → |
“OpenStack is an open source software project Hosted by the OpenInfra Foundation for creating private and public clouds.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Valcann An Epi-Use Companyvalcann.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 74 contacts → |
“Valcann is specialized in Cloud Computing solutions.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Opennebula Systemsopennebula.ioHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 50 contacts → |
“OpenNebula Systems is the open source company behind OpenNebula, supporting its community and providing SLA-based support, consulting, and managed cloud services to corporate…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Taridestarides.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 42 contacts → |
“We help developers and company create fast, resource-efficient, secure infrastructure applications, targeting a wide range of deployment platform: from cloud to IoT, through…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Özgür Yazılım A.Şozguryazilim.com.trHQ: İstanbul, TürkiyeReported employees: 11-50 | İstanbul, Türkiye | 11-50 | Exact match | 41 contacts → |
“Ozgur Software Inc.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ashnikashnik.comHQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 34 contacts → |
“Since our inception in 2009, Ashnik has consistently led the way in introducing advanced open source technologies to the Southeast Asian and Indian markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Configrconfigr.comHQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 29 contacts → |
“Configr provides the easiest way to manage your servers and deploy your applications on your own private cloud; from anywhere you want, to anywhere it is.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kangarootkangaroot.netHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 28 contacts → |
“25 years of Linux & Open Source expertise, applied to what matters right now: digital sovereignty, containerization & virtualization.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Obsidian Systemsobsidian.co.zaHQ: Randburg, South AfricaReported employees: 51-200 | Randburg, South Africa | 51-200 | Exact match | 26 contacts → |
“Obsidian Systems is an established supplier of Open Source software solutions.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Level27level27.beHQ: Hasselt, BelgiumReported employees: 11-50 | Hasselt, Belgium | 11-50 | Exact match | 25 contacts → |
“Level27 zorgt voor relaxte online ervaringen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  PIROSpiros.beHQ: Leuven, BelgiumReported employees: 11-50 | Leuven, Belgium | 11-50 | Exact match | 24 contacts → |
“Piros is a Red Hat & Open Source eco-system within De Cronos Groep that covers the full Red Hat product portfolio.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Openmetalopenmetal.ioHQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 24 contacts → |
“OpenMetal delivers hosted private cloud and bare metal infrastructure that gives organizations a real alternative to building their own private cloud or committing to a…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wolkenhof Gmbhwolkenhof.comHQ: Uelzen, GermanyReported employees: 11-50 | Uelzen, Germany | 11-50 | Exact match | 23 contacts → |
“Der wolkenhof setzt sich aus den Bereichen IT, OFFICE und GREENCLOUD zusammen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 400 company matches
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Open source cloud computing companies: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
399 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 400 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Open source cloud computing companies by location
1 lists · largest firstEvery Open source cloud computing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source cloud computing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open source cloud computing companies did RevenueBase find worldwide?
The saved snapshot records 400 matching company records, 34,352 tracked contacts and 14,764 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 open source cloud computing companies worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/open-source-cloud-computing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- B2B demand generation agencies based in the United States
- instantly lookalikes
- Industrial iot companies based in the United States
- Industrial iot companies based in Brazil
- Industrial iot companies based in Germany
- Industrial iot companies based in Italy
Company intelligence · public preview
Top 25 open source cloud computing companies worldwide
RevenueBase records 400 matching company records for open source cloud computing companies worldwide, with 34,352 tracked contacts and 14,764 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 open source cloud computing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | RED HATredhat.com HQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 25,149 contacts → |
“Red Hat is the world’s leading provider of enterprise open source solutions, using a community-powered approach to deliver high-performing Linux, hybrid cloud, edge, and…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SUSEsuse.com HQ: Nuremberg, GermanyReported employees: 1,001-5,000 | Nuremberg, Germany | 1,001-5,000 | Exact match | 2,459 contacts → |
“SUSE is a global leader of enterprise open source software.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hashicorphashicorp.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,130 contacts → |
“At HashiCorp, we believe infrastructure enables innovation, and we are helping organizations to operate that infrastructure in the cloud.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Yandex Cloudcloud.yandex.com HQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 530 contacts → |
“Yandex Cloud is a public cloud platform where companies can create and develop projects using Yandex's scalable computing power, advanced technologies, and infrastructure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Spektra Systemsspektrasystems.com HQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 419 contacts → |
“Spektra Systems is an innovation leader in cloud computing products and services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Annapurna Labsamazon.jobs HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 299 contacts → |
“At Annapurna Labs, we're building the silicon foundation that powers the world's AI and cloud.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | PT Boer Technology Btechbtech.id HQ: Bogor, IndonesiaReported employees: 51-200 | Bogor, Indonesia | 51-200 | Exact match | 187 contacts → |
“Btech was developed from a vision of ICT utilization that is efficient and environmental-friendly for companies with the main mission to utilize FOSS (Free/Open Source Software)…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Overclock Labs, Creators Of Akash Networkakash.network HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 128 contacts → |
“Akash Network, created by Overclock Labs, is a decentralized peer-to-peer marketplace for cloud compute and provides a fast, efficient, and low-cost application deployment…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Linodeakamai.com HQ: Philadelphia, PA, United StatesReported employees: 5,001-10,000 | Philadelphia, PA, United States | 5,001-10,000 | Exact match | 127 contacts → |
“Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Joyentjoyent.com HQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 122 contacts → |
“Joyent, a wholly-owned subsidiary of Samsung, is a provider of modern, open cloud infrastructure as a service.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Clever Cloudclever.cloud HQ: Nantes, FranceReported employees: 51-200 | Nantes, France | 51-200 | Exact match | 99 contacts → |
“Write Code.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BIT Cloudbit.cloud HQ: Fully Remote And Distributed, United StatesReported employees: 11-50 | Fully Remote And Distributed, United States | 11-50 | Exact match | 98 contacts → |
“We are helping the world’s leading organizations drive accelerated time to market, increased product quality and operational efficiency by leveraging composability.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Openstackopenstack.org HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 93 contacts → |
“OpenStack is an open source software project Hosted by the OpenInfra Foundation for creating private and public clouds.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Valcann An Epi-Use Companyvalcann.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 74 contacts → |
“Valcann is specialized in Cloud Computing solutions.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Opennebula Systemsopennebula.io HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 50 contacts → |
“OpenNebula Systems is the open source company behind OpenNebula, supporting its community and providing SLA-based support, consulting, and managed cloud services to corporate…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Taridestarides.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 42 contacts → |
“We help developers and company create fast, resource-efficient, secure infrastructure applications, targeting a wide range of deployment platform: from cloud to IoT, through…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Özgür Yazılım A.Şozguryazilim.com.tr HQ: İstanbul, TürkiyeReported employees: 11-50 | İstanbul, Türkiye | 11-50 | Exact match | 41 contacts → |
“Ozgur Software Inc.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ashnikashnik.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 34 contacts → |
“Since our inception in 2009, Ashnik has consistently led the way in introducing advanced open source technologies to the Southeast Asian and Indian markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Configrconfigr.com HQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 29 contacts → |
“Configr provides the easiest way to manage your servers and deploy your applications on your own private cloud; from anywhere you want, to anywhere it is.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kangarootkangaroot.net HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 28 contacts → |
“25 years of Linux & Open Source expertise, applied to what matters right now: digital sovereignty, containerization & virtualization.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Obsidian Systemsobsidian.co.za HQ: Randburg, South AfricaReported employees: 51-200 | Randburg, South Africa | 51-200 | Exact match | 26 contacts → |
“Obsidian Systems is an established supplier of Open Source software solutions.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Level27level27.be HQ: Hasselt, BelgiumReported employees: 11-50 | Hasselt, Belgium | 11-50 | Exact match | 25 contacts → |
“Level27 zorgt voor relaxte online ervaringen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | PIROSpiros.be HQ: Leuven, BelgiumReported employees: 11-50 | Leuven, Belgium | 11-50 | Exact match | 24 contacts → |
“Piros is a Red Hat & Open Source eco-system within De Cronos Groep that covers the full Red Hat product portfolio.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Openmetalopenmetal.io HQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 24 contacts → |
“OpenMetal delivers hosted private cloud and bare metal infrastructure that gives organizations a real alternative to building their own private cloud or committing to a…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wolkenhof Gmbhwolkenhof.com HQ: Uelzen, GermanyReported employees: 11-50 | Uelzen, Germany | 11-50 | Exact match | 23 contacts → |
“Der wolkenhof setzt sich aus den Bereichen IT, OFFICE und GREENCLOUD zusammen.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 400 company matches
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Open source cloud computing companies: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
399 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 400 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Open source cloud computing companies by location
1 lists · largest firstEvery Open source cloud computing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source cloud computing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open source cloud computing companies did RevenueBase find worldwide?
The saved snapshot records 400 matching company records, 34,352 tracked contacts and 14,764 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 open source cloud computing companies worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/open-source-cloud-computing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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