head to head · open source
ECC vs ministack
ECC has 265,561 GitHub stars, 39,691 forks, 217 open issues and last shipped yesterday. ministack has 4,675 stars, 458 forks, 19 open issues and last shipped yesterday. ECC leads on adoption by 5,580% (265,561 vs 4,675 stars). ECC is written in JavaScript under MIT; ministack is written in Python under MIT. ECC has attracted 15% as many forks as stars, ministack 10%. 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 | ministack | |
|---|---|---|
| GitHub stars | ★ 266K | ★ 4.7K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-22 | 2026-09-22 |
| Forks | ⑂ 40K | ⑂ 458 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 266K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick ministack if
- You want the ministack feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and ministack 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 ministack
MiniStack is a free, MIT licensed local AWS emulator written in Python that runs more than 60 AWS services on a single port, built for developers, testers and CI pipelines that need AWS compatible infrastructure without touching a real cloud account.
read the full ministack overview →
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Frequently asked questions
Is ECC or ministack more popular?
ECC has 265,561 GitHub stars and ministack has 4,675. ECC has the larger community by that measure.
Are ECC and ministack free?
Both are open source. ECC is licensed under MIT and ministack under MIT. Neither carries a licence fee.
What is the difference between ECC and ministack?
ECC is written in JavaScript and ministack 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 ministack?
Choose ECC if you want the larger community (265,561 stars) or its MIT licence terms. Choose ministack if its feature set, stack or MIT licence fits better. Both are self-hostable.