head to head · open source
ECC vs Convertigo
ECC has 263,046 GitHub stars, 39,368 forks, 204 open issues and last shipped today. Convertigo has 385 stars, 71 forks, 43 open issues and last shipped 2 days ago. ECC leads on adoption by 68,224% (263,046 vs 385 stars). ECC is written in JavaScript under MIT; Convertigo is written in Java under a custom or non-standard licence. ECC has attracted 15% as many forks as stars, Convertigo 18%. 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 | Convertigo | |
|---|---|---|
| GitHub stars | ★ 263K | ★ 385 |
| License | MIT | Custom / other |
| Written in | JavaScript | Java |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 39K | ⑂ 71 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 263K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Convertigo if
- You want the Convertigo feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Convertigo 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 Convertigo
Convertigo is an open source, AI driven low code and no code platform for building and running full stack enterprise web, mobile, and PWA business applications, aimed at professional developers who program back end microservice workflows and at non technical citizen developers who assemble form based apps.
read the full Convertigo overview →
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Frequently asked questions
Is ECC or Convertigo more popular?
ECC has 263,046 GitHub stars and Convertigo has 385. ECC has the larger community by that measure.
Are ECC and Convertigo free?
Both are open source. ECC is licensed under MIT, and Convertigo has no licence declared in this registry. Both are free to self-host.
What is the difference between ECC and Convertigo?
ECC is written in JavaScript and Convertigo in Java. 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 Convertigo?
Choose ECC if you want the larger community (263,046 stars) or its MIT licence terms. Choose Convertigo if its feature set, stack or Custom / other licence fits better. Both are self-hostable.