head to head · open source
ECC vs puppeteer
ECC has 261,896 GitHub stars, 39,186 forks, 228 open issues and last shipped 2 days ago. puppeteer has 95,590 stars, 9,576 forks, 259 open issues and last shipped yesterday. ECC leads on adoption by 174% (261,896 vs 95,590 stars). ECC is written in JavaScript under MIT; puppeteer is written in TypeScript under Apache-2.0. ECC has attracted 15% as many forks as stars, puppeteer 10%. puppeteer was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (developer-tools), so they are genuine substitutes rather than adjacent tools.
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 | puppeteer | |
|---|---|---|
| GitHub stars | ★ 262K | ★ 96K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 39K | ⑂ 9.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 262K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick puppeteer if
- You want the puppeteer feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and puppeteer 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 puppeteer
Puppeteer is an Apache 2.0 JavaScript and TypeScript library that provides a high level API for driving Chrome and Firefox over the DevTools Protocol or WebDriver BiDi, written for developers who automate browsers from Node.js.
read the full puppeteer overview →
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Frequently asked questions
Is ECC or puppeteer more popular?
ECC has 261,896 GitHub stars and puppeteer has 95,590. ECC has the larger community by that measure.
Are ECC and puppeteer free?
Both are open source. ECC is licensed under MIT and puppeteer under Apache-2.0. Neither carries a licence fee.
What is the difference between ECC and puppeteer?
ECC is written in JavaScript and puppeteer 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 puppeteer?
Choose ECC if you want the larger community (261,896 stars) or its MIT licence terms. Choose puppeteer if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.