head to head · open source
ECC vs webdriverio
ECC has 262,175 GitHub stars, 39,228 forks, 228 open issues and last shipped today. webdriverio has 9,836 stars, 2,684 forks, 248 open issues and last shipped today. ECC leads on adoption by 2,565% (262,175 vs 9,836 stars). ECC is written in JavaScript under MIT; webdriverio is written in TypeScript under MIT. ECC has attracted 15% as many forks as stars, webdriverio 27%. webdriverio 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 | webdriverio | |
|---|---|---|
| GitHub stars | ★ 262K | ★ 9.8K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 39K | ⑂ 2.7K |
| 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 webdriverio if
- You want the webdriverio feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and webdriverio 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 webdriverio
WebdriverIO is an MIT licensed, TypeScript written test automation framework for Node.js that drives browsers and mobile applications through WebDriver, WebDriver BiDi, and Appium, aimed at engineering teams that write end to end, unit, and component tests in JavaScript or TypeScript.
read the full webdriverio overview →
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Frequently asked questions
Is ECC or webdriverio more popular?
ECC has 262,175 GitHub stars and webdriverio has 9,836. ECC has the larger community by that measure.
Are ECC and webdriverio free?
Both are open source. ECC is licensed under MIT and webdriverio under MIT. Neither carries a licence fee.
What is the difference between ECC and webdriverio?
ECC is written in JavaScript and webdriverio 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 webdriverio?
Choose ECC if you want the larger community (262,175 stars) or its MIT licence terms. Choose webdriverio if its feature set, stack or MIT licence fits better. Both are self-hostable.