head to head · open source
herdr vs Convex
herdr has 47,557 GitHub stars, 3,813 forks, 337 open issues and last shipped yesterday. Convex has 12,774 stars, 842 forks, 220 open issues and last shipped yesterday. herdr leads on adoption by 272% (47,557 vs 12,774 stars). herdr is written in Rust under Apache-2.0; Convex is written in TypeScript under a custom or non-standard licence. herdr has attracted 8% as many forks as stars, Convex 7%. Convex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (rust), 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
| herdr | Convex | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 13K |
| License | Apache-2.0 | Custom / other |
| Written in | Rust | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.8K | ⑂ 842 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick herdr if
- You weight community size — 48K 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 Convex if
- You want the Convex feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Convex fits your workflow better
About herdr
herdr herdr.dev · install · quick start · docs English · 简体中文 the runtime your coding agents live on. detach without stopping work — herdr keeps terminals running in a background server when you close the client or lose your SSH connection. after a server or machine restart, herdr restores the saved layout and can resume supported agent sessions; the original processes do not survive. session state → several machines, one window — keep local work and saved ssh machines together, with a combined agent list and independent reconnects. remote machines → never hunt for the stuck one — every pane is marked working…
read the full herdr overview →
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 →
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Frequently asked questions
Is herdr or Convex more popular?
herdr has 47,557 GitHub stars and Convex has 12,774. herdr has the larger community by that measure.
Are herdr and Convex free?
Both are open source. herdr is licensed under Apache-2.0, and Convex has no licence declared in this registry. Both are free to self-host.
What is the difference between herdr and Convex?
herdr is written in Rust and Convex 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, herdr or Convex?
Choose herdr if you want the larger community (47,557 stars) or its Apache-2.0 licence terms. Choose Convex if its feature set, stack or Custom / other licence fits better. Both are self-hostable.