head to head · open source
ECC vs OpnForm
ECC has 263,046 GitHub stars, 39,368 forks, 204 open issues and last shipped today. OpnForm has 3,727 stars, 543 forks, 22 open issues and last shipped 2 days ago. ECC leads on adoption by 6,958% (263,046 vs 3,727 stars). ECC is written in JavaScript under MIT; OpnForm is written in PHP under a custom or non-standard licence. ECC has attracted 15% as many forks as stars, OpnForm 15%. 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 | OpnForm | |
|---|---|---|
| GitHub stars | ★ 263K | ★ 3.7K |
| License | MIT | Custom / other |
| Written in | JavaScript | PHP |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 39K | ⑂ 543 |
| 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 OpnForm if
- You want the OpnForm feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and OpnForm 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 OpnForm
OpnForm is an open source form builder for the PHP, Laravel, and Nuxt ecosystem. It gives users a no code interface for creating forms, collecting submissions, and connecting form data to common team and automation tools. The core application is licensed under AGPLv3, while enterprise features under api/app/Enterprise use a proprietary license.
read the full OpnForm overview →
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Frequently asked questions
Is ECC or OpnForm more popular?
ECC has 263,046 GitHub stars and OpnForm has 3,727. ECC has the larger community by that measure.
Are ECC and OpnForm free?
Both are open source. ECC is licensed under MIT, and OpnForm has no licence declared in this registry. Both are free to self-host.
What is the difference between ECC and OpnForm?
ECC is written in JavaScript and OpnForm in PHP. 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 OpnForm?
Choose ECC if you want the larger community (263,046 stars) or its MIT licence terms. Choose OpnForm if its feature set, stack or Custom / other licence fits better. Both are self-hostable.