Side-by-Side Comparison
chess.js vs fernflower
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● jhlywa/chess.js (4.4K)
● JetBrains/fernflower (4.4K)
☆ 4.4Kchess.js stars
☆ 4.4Kfernflower stars
+3Difference
chess.jsStar Leader (1.0x)
⚖️ Comparison Verdict
Star Popularity
chess.js Leads
+3 stars (1.0x ratio)
Forks & Derivatives
chess.js Leads
990 total community forks
Recent Maintenance
fernflower
Pushed 1mo ago
Licensing
Different
chess.js: BSD-2-Clause vs fernflower: Apache-2.0
Side-by-Side Facts
| Metric | jhlywa/chess.js ↗ | JetBrains/fernflower ↗ |
|---|---|---|
| Description | A TypeScript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection | Decompiler from Java bytecode to Java, used in IntelliJ IDEA. |
| GitHub Stars | ☆ 4,416 | ☆ 4,413 |
| Forks | 990 | 734 |
| Open Issues | 47 | 0 |
| Main Language | TypeScript | Java |
| License | BSD-2-Clause | Apache-2.0 |
| Last Push | Aug 11, 2026 | Oct 1, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
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