head to head · open source
Convex vs openidea
Convex has 12,774 GitHub stars, 842 forks, 220 open issues and last shipped yesterday. openidea has 4,836 stars, 389 forks, 87 open issues and last shipped yesterday. Convex leads on adoption by 164% (12,774 vs 4,836 stars). Convex is written in TypeScript under a custom or non-standard licence; openidea is written in TypeScript under Apache-2.0. Convex has attracted 7% as many forks as stars, openidea 8%. Convex 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
| Convex | openidea | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 4.8K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 842 | ⑂ 389 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Convex if
- You weight community size — 13K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick openidea if
- You want the openidea feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and openidea fits your workflow better
About Convex
Convex is the open source reactive database designed to make life easy for web app developers, whether human or LLM. Fetch data and perform business logic with strong consistency by writing pure TypeScript. Convex provides a database, a place to write your server functions, and client libraries. It makes it easy to build and scale dynamic live updating apps. Read the docs to learn more. Development of the Convex backend is led by the Convex team. We welcome small bug fixes and love receiving feedback. We keep this repository synced with any internal development work within a handful of days. Convex is a well…
read the full Convex overview →
About openidea
The IDE you know, rebuilt in Rust. Download · Benchmark · Build · Discord OpenIDEA brings the IntelliJ IDEA way of working — its keymap, its tool windows, its search everything habits — to a native app with a Rust core. Editor, code insight, debugger, Git, terminal, database and HTTP clients, for 60+ languages. Builds for macOS, Windows and Linux. Benchmark Opening freqtrade (Python, 770 files) with warm caches, median of 5 runs: A release build of OpenIDEA from main and IDEA with default settings and plugins, on Windows 11, 32 core AMD, 62 GB RAM. IDEA analyses Python more deeply, so "ready" doesn't mean the…
read the full openidea overview →
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Frequently asked questions
Is Convex or openidea more popular?
Convex has 12,774 GitHub stars and openidea has 4,836. Convex has the larger community by that measure.
Are Convex and openidea free?
Both are open source. Convex has no licence declared in this registry, and openidea is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Convex and openidea?
Convex is written in TypeScript and openidea in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Convex or openidea?
Choose Convex if you want the larger community (12,774 stars) or its Custom / other licence terms. Choose openidea if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.