Side-by-Side Comparison
core-js vs ECC
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● zloirock/core-js (25.5K)
● affaan-m/ECC (276.2K)
☆ 25.5Kcore-js stars
☆ 276.2KECC stars
+250.7KDifference
ECCStar Leader (10.8x)
⚖️ Comparison Verdict
Star Popularity
ECC Leads
+250.7K stars (10.8x ratio)
Forks & Derivatives
ECC Leads
41.2K total community forks
Recent Maintenance
core-js
Pushed 8d ago
Licensing
MIT
Both share open license
Side-by-Side Facts
| Metric | zloirock/core-js ↗ | affaan-m/ECC ↗ |
|---|---|---|
| Description | Standard Library | The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond. |
| GitHub Stars | ☆ 25,524 | ☆ 276,188 |
| Forks | 1,678 | 41,204 |
| Open Issues | 53 | 227 |
| Main Language | JavaScript | JavaScript |
| License | MIT | MIT |
| Last Push | Oct 23, 2026 | Oct 10, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
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core-js Badge
[](https://githubrepo.cloud/repo/zloirock/core-js?utm_source=readme_badge)
ECC Badge
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