head to head · open source
ECC vs OpenDoor
ECC has 267,866 GitHub stars, 40,036 forks, 239 open issues and last shipped 3 days ago. OpenDoor has 1,008 stars, 187 forks, 4 open issues and last shipped 6 days ago. ECC leads on adoption by 26,474% (267,866 vs 1,008 stars). ECC is written in JavaScript under MIT; OpenDoor is written in Python under GPL-3.0. ECC has attracted 15% as many forks as stars, OpenDoor 19%. 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 | OpenDoor | |
|---|---|---|
| GitHub stars | ★ 268K | ★ 1.0K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | Python |
| Last push | 2026-09-24 | 2026-09-21 |
| Forks | ⑂ 40K | ⑂ 187 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 268K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick OpenDoor if
- You want the OpenDoor feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and OpenDoor 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 OpenDoor
OpenDoor is an open source, GPL 3.0 OWASP command line reconnaissance platform, written in Python, that automates directory discovery, subdomain enumeration, fingerprinting and WAF detection for security researchers, penetration testers, bug bounty hunters, DevSecOps engineers and developers working on systems they own or are explicitly authorized to test.
read the full OpenDoor overview →
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Frequently asked questions
Is ECC or OpenDoor more popular?
ECC has 267,866 GitHub stars and OpenDoor has 1,008. ECC has the larger community by that measure.
Are ECC and OpenDoor free?
Both are open source. ECC is licensed under MIT and OpenDoor under GPL-3.0. Neither carries a licence fee.
What is the difference between ECC and OpenDoor?
ECC is written in JavaScript and OpenDoor 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 OpenDoor?
Choose ECC if you want the larger community (267,866 stars) or its MIT licence terms. Choose OpenDoor if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.