head to head · open source
ECC vs patchwork
ECC has 275,030 GitHub stars, 41,030 forks, 372 open issues and last shipped 3 days ago. patchwork has 1,579 stars, 108 forks, 201 open issues and last shipped 2 months ago. ECC leads on adoption by 17,318% (275,030 vs 1,579 stars). ECC is written in JavaScript under MIT; patchwork is written in Python under AGPL-3.0. ECC has attracted 15% as many forks as stars, patchwork 7%. ECC 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 | patchwork | |
|---|---|---|
| GitHub stars | ★ 275K | ★ 1.6K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Python |
| Last push | 2026-10-05 | 2026-08-24 |
| Forks | ⑂ 41K | ⑂ 108 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 275K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick patchwork if
- You want the patchwork feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and patchwork fits your workflow better
About ECC
ECC is an MIT licensed open source agent harness performance optimization system that gives AI coding agents a coordinated engineering workflow — plan, test, implement, review, verify, remember, improve — for developers working in Claude Code, Codex, OpenCode, Cursor, and other harnesses.
About patchwork
Patchwork is a self hosted, Python based agentic AI framework that automates repetitive development work — pull request reviews, bug fixing, security patching and documentation — for engineering teams who want an LLM driven agent running on their own infrastructure and their own models.
read the full patchwork overview →
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Frequently asked questions
Is ECC or patchwork more popular?
ECC has 275,030 GitHub stars and patchwork has 1,579. ECC has the larger community by that measure.
Are ECC and patchwork free?
Both are open source. ECC is licensed under MIT and patchwork under AGPL-3.0. Neither carries a licence fee.
What is the difference between ECC and patchwork?
ECC is written in JavaScript and patchwork in Python. 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 patchwork?
Choose ECC if you want the larger community (275,030 stars) or its MIT licence terms. Choose patchwork if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.