head to head · open source
ECC vs Convex
ECC has 296,647 GitHub stars, 43,867 forks, 225 open issues and last shipped 3 days ago. Convex has 12,774 stars, 842 forks, 220 open issues and last shipped yesterday. ECC leads on adoption by 2,222% (296,647 vs 12,774 stars). ECC is written in JavaScript under MIT; Convex is written in TypeScript under a custom or non-standard licence. ECC has attracted 15% 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.
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
| ECC | Convex | |
|---|---|---|
| GitHub stars | ★ 297K | ★ 13K |
| License | MIT | Custom / other |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-04 |
| Forks | ⑂ 44K | ⑂ 842 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 297K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- 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 ECC
Language: English العربية Português (Brasil) 简体中文 繁體中文 日本語 한국어 Türkçe Русский Tiếng Việt ไทย Deutsch Español Українська Polski বাংলা [!WARNING] Official sources only. Install ECC only from verified channels: the GitHub repository github.com/affaan m/ECC, the npm packages ecc universal and ecc agentshield , the GitHub App, the plugin slug ecc@ecc , and the project website ecc.tools. Third party re uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. Install with Claude Code Use the guided setup or native plugin commands. Both install the same ecc@ecc plugin. Choose…
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 ECC or Convex more popular?
ECC has 296,647 GitHub stars and Convex has 12,774. ECC has the larger community by that measure.
Are ECC and Convex free?
Both are open source. ECC is licensed under MIT, and Convex has no licence declared in this registry. Both are free to self-host.
What is the difference between ECC and Convex?
ECC is written in JavaScript 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, ECC or Convex?
Choose ECC if you want the larger community (296,647 stars) or its MIT licence terms. Choose Convex if its feature set, stack or Custom / other licence fits better. Both are self-hostable.