head to head · open source
ECC vs devtools-frontend
ECC has 267,023 GitHub stars, 39,902 forks, 232 open issues and last shipped yesterday. devtools-frontend has 4,052 stars, 728 forks, 124 open issues and last shipped today. ECC leads on adoption by 6,490% (267,023 vs 4,052 stars). ECC is written in JavaScript under MIT; devtools-frontend is written in TypeScript under BSD-3-Clause. ECC has attracted 15% as many forks as stars, devtools-frontend 18%. devtools-frontend 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 | devtools-frontend | |
|---|---|---|
| GitHub stars | ★ 267K | ★ 4.1K |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-24 | 2026-09-25 |
| Forks | ⑂ 40K | ⑂ 728 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 267K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick devtools-frontend if
- You want the devtools-frontend feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches TypeScript
- You evaluated both and devtools-frontend 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 devtools-frontend
devtools frontend is the client side of the Chrome DevTools — all of the TypeScript and CSS that runs the DevTools web app — released under the BSD 3 Clause licence for browser engineers, tooling authors, and anyone contributing to the interface shipped inside Chrome.
read the full devtools-frontend overview →
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Frequently asked questions
Is ECC or devtools-frontend more popular?
ECC has 267,023 GitHub stars and devtools-frontend has 4,052. ECC has the larger community by that measure.
Are ECC and devtools-frontend free?
Both are open source. ECC is licensed under MIT and devtools-frontend under BSD-3-Clause. Neither carries a licence fee.
What is the difference between ECC and devtools-frontend?
ECC is written in JavaScript and devtools-frontend in TypeScript. 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 devtools-frontend?
Choose ECC if you want the larger community (267,023 stars) or its MIT licence terms. Choose devtools-frontend if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.