Company lists · Data refreshed September 2026
Top 25 Open source cloud platforms worldwide
RevenueBase identified 156 company matches for open source cloud platforms worldwide as of September 2026 and tracks 2,845 professional contacts across them, including 198 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for open source cloud platforms 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 September 29, 2026. Country and city lists for open source cloud platforms 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 platforms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 837 contacts → | ||||
Exact match “Railway’s mission is to build the cloud computing stack that unburdens you, so you can focus more on what matters to you.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 471 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 218 contacts → | ||||
Exact match “At Annapurna Labs we are inventing the next generation of cloud computing infrastructure and the compute/machine learning/storage/networking industry as a whole.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 103 contacts → | ||||
Exact match “Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 99 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 89 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 30 contacts → | ||||
Exact match “Control Plane is a cloud virtualization platform that enables devops teams to compose any combination of cloud infrastructure - bare metal, VMs, k8s, AWS, GCP, Azure, OCI - into…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 23 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “Kangaroot has more than 25 years Open Source Expertise.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Datum is building the world’s first open network cloud, a neutral place where Alt Clouds, tech incumbents, and digital leaders can programmatically interact with their unique…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “Your data, your platform!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Open, Affordable, Predictable.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 16 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Open, free, and portable cloud” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “Skyloud est une entreprise spécialisée dans les nouvelles technologies Cloud.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Welcome to 3HCloud - Your Trusted Cloud Partner Discover the power of OpenStack with 3HCloud, where we deliver industry-leading, flexible, and scalable cloud solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Cloud Computing, la revolución ya está en marcha Los años 90 fueron la década del ordenador personal, el fue el boom de internet, la siguiente revolución es el Cloud Computing, si…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Platina is the transformative solution that empowers your organization's hybrid cloud journey.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “VNPT Cloud - The comprehensive cloud computing ecosystem” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “HVE ConneXions was created to combine proven virtualization solutions with state of the art, best of breed hardware to support next-generation Cloud requirements.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Our business philosophy is based upon getting the best out of free and open source software.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “MultiPortal is redefining how cloud infrastructure is managed.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “At Scaleblade we are developing a suite of cloud compute tools to help keep you (and your business) online.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “LayerStack is a reputable cloud service provider that offers a stable and high-performance infrastructure as a service (IaaS) cloud to help businesses achieve their goals.” Recorded in the RevenueBase company graph · Sep 29, 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 platforms”. 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 156 open source cloud platforms worldwide
See the full list, filter by size, metro and specialty, and access 198 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source cloud platforms worldwide at a glance
As of Sep 29, 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 platforms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source cloud platforms” 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 198 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 September 29, 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 platforms by location
1 lists · largest firstEvery Open source cloud platforms 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 platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source cloud platforms are there worldwide?
RevenueBase identified 156 company matches for open source cloud platforms worldwide as of September 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?
Railway 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 platforms?
The United States leads with 37 companies. Every open source cloud platforms list by country and city is linked on this page.
Which city has the most open source cloud platforms?
San Francisco leads with 4 company records, followed by Toronto (3) and Amsterdam (2).
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 198 professional contacts with verified work emails tracked across these 156 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 September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 156 open source cloud platforms 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
Company intelligence · public preview
Top 25 open source cloud platforms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 156 matching company records for open source cloud platforms worldwide, with 2,845 tracked contacts and 198 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: September 29, 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 platforms 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 |  Railwayrailway.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 837 contacts → |
“Railway’s mission is to build the cloud computing stack that unburdens you, so you can focus more on what matters to you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Yandex Cloudcloud.yandex.com HQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 471 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Annapurna Labsamazon.jobsHQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 218 contacts → |
“At Annapurna Labs we are inventing the next generation of cloud computing infrastructure and the compute/machine learning/storage/networking industry as a whole.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Linodeakamai.comHQ: Philadelphia, PA, United StatesReported employees: 5,001-10,000 | Philadelphia, PA, United States | 5,001-10,000 | Exact match | 103 contacts → |
“Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Openstackopenstack.org HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 99 contacts → |
“OpenStack is an open source software project Hosted by the OpenInfra Foundation for creating private and public clouds.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BIT Cloudbit.cloud HQ: Fully Remote And Distributed, United StatesReported employees: 11-50 | Fully Remote And Distributed, United States | 11-50 | Exact match | 89 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Control Plane Corporationcontrolplane.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 30 contacts → |
“Control Plane is a cloud virtualization platform that enables devops teams to compose any combination of cloud infrastructure - bare metal, VMs, k8s, AWS, GCP, Azure, OCI - into…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Configrconfigr.comHQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 23 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kangarootkangaroot.netHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 23 contacts → |
“Kangaroot has more than 25 years Open Source Expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  DATUMdatum.netHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 20 contacts → |
“Datum is building the world’s first open network cloud, a neutral place where Alt Clouds, tech incumbents, and digital leaders can programmatically interact with their unique…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Stackablestackable.techHQ: Wedel, GermanyReported employees: 11-50 | Wedel, Germany | 11-50 | Exact match | 19 contacts → |
“Your data, your platform!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Qumulus Cloud Platformqumulus.ioHQ: Lowry Mill, United KingdomReported employees: 1-10 | Lowry Mill, United Kingdom | 1-10 | Exact match | 17 contacts → |
“Open, Affordable, Predictable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Openmetalopenmetal.ioHQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 16 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ubicloudubicloud.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“Open, free, and portable cloud” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Skyloudskyloud.frHQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 13 contacts → |
“Skyloud est une entreprise spécialisée dans les nouvelles technologies Cloud.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  3hcloud3hcloud.comHQ: Hollywood, FL, United StatesReported employees: 11-50 | Hollywood, FL, United States | 11-50 | Exact match | 9 contacts → |
“Welcome to 3HCloud - Your Trusted Cloud Partner Discover the power of OpenStack with 3HCloud, where we deliver industry-leading, flexible, and scalable cloud solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | STCAstca.es HQ: HQ not recordedReported employees: 1-10 | HQ not recorded | 1-10 | Exact match | 9 contacts → |
“Cloud Computing, la revolución ya está en marcha Los años 90 fueron la década del ordenador personal, el fue el boom de internet, la siguiente revolución es el Cloud Computing, si…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Platina Systemsplatinasystems.comHQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 9 contacts → |
“Platina is the transformative solution that empowers your organization's hybrid cloud journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Vnpt Cloudcloud.vnpt.vnHQ: Dich Vong Ward, VietnamReported employees: 201-500 | Dich Vong Ward, Vietnam | 201-500 | Exact match | 8 contacts → |
“VNPT Cloud - The comprehensive cloud computing ecosystem” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  HVE Connexionshveconnexions.comHQ: Waxahachie, TX, United StatesReported employees: 11-50 | Waxahachie, TX, United States | 11-50 | Exact match | 7 contacts → |
“HVE ConneXions was created to combine proven virtualization solutions with state of the art, best of breed hardware to support next-generation Cloud requirements.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  PRO Media ARTpromediaart.comHQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 7 contacts → |
“Our business philosophy is based upon getting the best out of free and open source software.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Multiportalmultiportal.ioHQ: Zetland, AustraliaReported employees: 11-50 | Zetland, Australia | 11-50 | Exact match | 6 contacts → |
“MultiPortal is redefining how cloud infrastructure is managed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Scalebladescaleblade.comHQ: England, United KingdomReported employees: 1-10 | England, United Kingdom | 1-10 | Exact match | 5 contacts → |
“At Scaleblade we are developing a suite of cloud compute tools to help keep you (and your business) online.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Layerstacklayerstack.comHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 5 contacts → |
“LayerStack is a reputable cloud service provider that offers a stable and high-performance infrastructure as a service (IaaS) cloud to help businesses achieve their goals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Open source cloud platforms: dataset insights
September 29, 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
156 records in the displayed employee bands.
0 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 156 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: September 29, 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 platforms by location
1 lists · largest firstEvery Open source cloud platforms 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 platforms?
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 platforms did RevenueBase find worldwide?
The saved snapshot records 156 matching company records, 2,845 tracked contacts and 198 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: September 29, 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 platforms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/open-source-cloud-platforms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 open source cloud platforms worldwide
RevenueBase records 156 matching company records for open source cloud platforms worldwide, with 2,845 tracked contacts and 198 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: September 29, 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 platforms 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 | Railwayrailway.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 837 contacts → |
“Railway’s mission is to build the cloud computing stack that unburdens you, so you can focus more on what matters to you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Yandex Cloudcloud.yandex.com HQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 471 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Annapurna Labsamazon.jobs HQ: United StatesReported employees: 10001+ | United States | 10001+ | Exact match | 218 contacts → |
“At Annapurna Labs we are inventing the next generation of cloud computing infrastructure and the compute/machine learning/storage/networking industry as a whole.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Linodeakamai.com HQ: Philadelphia, PA, United StatesReported employees: 5,001-10,000 | Philadelphia, PA, United States | 5,001-10,000 | Exact match | 103 contacts → |
“Linode is now Akamai Cloud, the world’s most distributed cloud platform.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Openstackopenstack.org HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 99 contacts → |
“OpenStack is an open source software project Hosted by the OpenInfra Foundation for creating private and public clouds.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BIT Cloudbit.cloud HQ: Fully Remote And Distributed, United StatesReported employees: 11-50 | Fully Remote And Distributed, United States | 11-50 | Exact match | 89 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Control Plane Corporationcontrolplane.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 30 contacts → |
“Control Plane is a cloud virtualization platform that enables devops teams to compose any combination of cloud infrastructure - bare metal, VMs, k8s, AWS, GCP, Azure, OCI - into…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Configrconfigr.com HQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 23 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kangarootkangaroot.net HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 23 contacts → |
“Kangaroot has more than 25 years Open Source Expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DATUMdatum.net HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 20 contacts → |
“Datum is building the world’s first open network cloud, a neutral place where Alt Clouds, tech incumbents, and digital leaders can programmatically interact with their unique…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Stackablestackable.tech HQ: Wedel, GermanyReported employees: 11-50 | Wedel, Germany | 11-50 | Exact match | 19 contacts → |
“Your data, your platform!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Qumulus Cloud Platformqumulus.io HQ: Lowry Mill, United KingdomReported employees: 1-10 | Lowry Mill, United Kingdom | 1-10 | Exact match | 17 contacts → |
“Open, Affordable, Predictable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Openmetalopenmetal.io HQ: Virginia Beach, VA, United StatesReported employees: 11-50 | Virginia Beach, VA, United States | 11-50 | Exact match | 16 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ubicloudubicloud.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“Open, free, and portable cloud” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Skyloudskyloud.fr HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 13 contacts → |
“Skyloud est une entreprise spécialisée dans les nouvelles technologies Cloud.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 3hcloud3hcloud.com HQ: Hollywood, FL, United StatesReported employees: 11-50 | Hollywood, FL, United States | 11-50 | Exact match | 9 contacts → |
“Welcome to 3HCloud - Your Trusted Cloud Partner Discover the power of OpenStack with 3HCloud, where we deliver industry-leading, flexible, and scalable cloud solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | STCAstca.es HQ: HQ not recordedReported employees: 1-10 | HQ not recorded | 1-10 | Exact match | 9 contacts → |
“Cloud Computing, la revolución ya está en marcha Los años 90 fueron la década del ordenador personal, el fue el boom de internet, la siguiente revolución es el Cloud Computing, si…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Platina Systemsplatinasystems.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 9 contacts → |
“Platina is the transformative solution that empowers your organization's hybrid cloud journey.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Vnpt Cloudcloud.vnpt.vn HQ: Dich Vong Ward, VietnamReported employees: 201-500 | Dich Vong Ward, Vietnam | 201-500 | Exact match | 8 contacts → |
“VNPT Cloud - The comprehensive cloud computing ecosystem” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HVE Connexionshveconnexions.com HQ: Waxahachie, TX, United StatesReported employees: 11-50 | Waxahachie, TX, United States | 11-50 | Exact match | 7 contacts → |
“HVE ConneXions was created to combine proven virtualization solutions with state of the art, best of breed hardware to support next-generation Cloud requirements.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | PRO Media ARTpromediaart.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 7 contacts → |
“Our business philosophy is based upon getting the best out of free and open source software.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Multiportalmultiportal.io HQ: Zetland, AustraliaReported employees: 11-50 | Zetland, Australia | 11-50 | Exact match | 6 contacts → |
“MultiPortal is redefining how cloud infrastructure is managed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scalebladescaleblade.com HQ: England, United KingdomReported employees: 1-10 | England, United Kingdom | 1-10 | Exact match | 5 contacts → |
“At Scaleblade we are developing a suite of cloud compute tools to help keep you (and your business) online.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Layerstacklayerstack.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 5 contacts → |
“LayerStack is a reputable cloud service provider that offers a stable and high-performance infrastructure as a service (IaaS) cloud to help businesses achieve their goals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Open source cloud platforms: dataset insights
September 29, 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
156 records in the displayed employee bands.
0 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 156 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: September 29, 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 platforms by location
1 lists · largest firstEvery Open source cloud platforms 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 platforms?
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 platforms did RevenueBase find worldwide?
The saved snapshot records 156 matching company records, 2,845 tracked contacts and 198 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: September 29, 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 platforms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/open-source-cloud-platforms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗