head to head · open source
realtime vs CloudQuery
realtime has 7,635 GitHub stars, 468 forks, 78 open issues and last shipped 2 days ago. CloudQuery has 6,521 stars, 558 forks, 166 open issues and last shipped 2 days ago. realtime leads on adoption by 17% (7,635 vs 6,521 stars). realtime is written in Elixir under Apache-2.0; CloudQuery is written in Go under MPL-2.0. realtime has attracted 6% as many forks as stars, CloudQuery 9%. realtime was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| realtime | CloudQuery | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 6.5K |
| License | Apache-2.0 | MPL-2.0 |
| Written in | Elixir | Go |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 468 | ⑂ 558 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick realtime if
- You weight community size — 7.6K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Elixir
- You value the larger contributor base for long-term maintenance
pick CloudQuery if
- You want the CloudQuery feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Go
- You evaluated both and CloudQuery fits your workflow better
About realtime
Supabase Realtime is a server built with Elixir on the Phoenix Framework that pushes three kinds of realtime functionality to browser and server clients over WebSockets. It lives in the Supabase ecosystem, where it acts as the realtime layer alongside Postgres, and it is distributed as open source under the Apache 2.0 license. The project has been public for roughly seven years, carries 7,632 stars and 463 forks, and its topic list places it in the company of change data capture, CRDT, distributed systems, pubsub, and PostgreSQL tooling.
read the full realtime overview →
About CloudQuery
CloudQuery is an open source, Go based cloud asset inventory and ELT tool, licensed under MPL 2.0, that syncs metadata from AWS, Azure, GCP, and more than 70 cloud and SaaS sources into a data warehouse so platform, security, and FinOps teams can query it with SQL.
read the full CloudQuery overview →
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Frequently asked questions
Is realtime or CloudQuery more popular?
realtime has 7,635 GitHub stars and CloudQuery has 6,521. realtime has the larger community by that measure.
Are realtime and CloudQuery free?
Both are open source. realtime is licensed under Apache-2.0 and CloudQuery under MPL-2.0. Neither carries a licence fee.
What is the difference between realtime and CloudQuery?
realtime is written in Elixir and CloudQuery in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, realtime or CloudQuery?
Choose realtime if you want the larger community (7,635 stars) or its Apache-2.0 licence terms. Choose CloudQuery if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.