8 open-source Cloud PaaS vendors
Open-source software for Cloud PaaS that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 8
- European
- 3
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100CoolifyHungary · Self-hosted / open sourceOpen-source self-hostable PaaS as a Heroku/Netlify alternative
- Sovereignty score 94 out of 100EncoreSweden · Self-hosted / open sourceSwedish open-source backend-development platform (Stockholm) with an infrastructure-from-code approach for TypeScript/Go.
- Sovereignty score 94 out of 100NhostSweden · EU sovereignSwedish open-source Firebase-alternative with GraphQL and Postgres
- Sovereignty score 77 out of 100AppwriteIsrael · Self-hosted / open sourceOpen-source backend platform (Appwrite Code Ltd, Israel) for authentication, databases, storage and serverless functions; cloud or self-hosted.
- Sovereignty score 71 out of 100Apache TomcatUnited States · Self-hosted / open sourceOpen-source Java servlet container (Apache-2.0) by the Apache Software Foundation (US); self-hostable.
- Sovereignty score 71 out of 100DokkuUnited States · Self-hosted / open sourceLightweight open-source PaaS based on Docker for small projects
- Sovereignty score 69 out of 100Cloud FoundryUnited States · Self-hosted / open sourceOpen-source application platform (Apache-2.0) from the Cloud Foundry Foundation, a Linux Foundation project, for cloud-native apps with a single command.
- Sovereignty score 69 out of 100Supabase EUSingapore · Non-EU vendorOpen-source Firebase alternative with EU data hosting available
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