head to head · open source
CocoIndex vs realtime
CocoIndex has 11,809 GitHub stars, 923 forks, 83 open issues and last shipped yesterday. realtime has 7,673 stars, 479 forks, 78 open issues and last shipped yesterday. CocoIndex leads on adoption by 54% (11,809 vs 7,673 stars). CocoIndex is written in Rust under Apache-2.0; realtime is written in Elixir under Apache-2.0. CocoIndex has attracted 8% as many forks as stars, realtime 6%. realtime was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (change-data-capture), so they are genuine substitutes rather than adjacent tools.
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
| CocoIndex | realtime | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 7.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Elixir |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 923 | ⑂ 479 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick CocoIndex if
- You weight community size — 12K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick realtime if
- You want the realtime feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Elixir
- You evaluated both and realtime fits your workflow better
About CocoIndex
Your agents deserve fresh context. Star us ❤️ → · · · CocoIndex turns codebases, meeting notes, inboxes, Slack, PDFs, and videos into live, continuously fresh context for your AI agents and LLM apps to reason over effectively — with minimal incremental processing. Get your production AI agent ready in 10 minutes with reliable, continuously fresh data — no stale batches, no context gap Incremental · only the delta · Any scale · parallel by default · Declarative · Python, 5 min Deutsch English Español français 日本語 한국어 Português Русский 中文 Built with CocoIndex ❤️ <img src=" alt="CocoIndex code — flagship MCP server…
read the full CocoIndex overview →
About realtime
Supabase Realtime Send ephemeral messages, track and synchronize shared state, and listen to Postgres changes all over WebSockets. Examples · Request Features · Report Bugs Status This repository focuses on version 2 but you can still access the previous version's code and Docker image. For the latest Docker images go to The codebase is under heavy development and the documentation is constantly evolving. Give it a try and let us know what you think by creating an issue. Watch releases of this repo to get notified of updates. And give us a star if you like it! Overview What is this? This is a server built with…
read the full realtime overview →
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Frequently asked questions
Is CocoIndex or realtime more popular?
CocoIndex has 11,809 GitHub stars and realtime has 7,673. CocoIndex has the larger community by that measure.
Are CocoIndex and realtime free?
Both are open source. CocoIndex is licensed under Apache-2.0 and realtime under Apache-2.0. Neither carries a licence fee.
What is the difference between CocoIndex and realtime?
CocoIndex is written in Rust and realtime in Elixir. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, CocoIndex or realtime?
Choose CocoIndex if you want the larger community (11,809 stars) or its Apache-2.0 licence terms. Choose realtime if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.