Side-by-Side Comparison
ILSpy vs Lean
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● icsharpcode/ILSpy (26.2K)
● QuantConnect/Lean (21.8K)
☆ 26.2KILSpy stars
☆ 21.8KLean stars
+4.4KDifference
ILSpyStar Leader (1.2x)
⚖️ Comparison Verdict
Star Popularity
ILSpy Leads
+4.4K stars (1.2x ratio)
Forks & Derivatives
Lean Leads
5.3K total community forks
Recent Maintenance
ILSpy
Pushed 16h ago
Licensing
Different
ILSpy: MIT vs Lean: Apache-2.0
Side-by-Side Facts
| Metric | icsharpcode/ILSpy ↗ | QuantConnect/Lean ↗ |
|---|---|---|
| Description | .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform! | Lean Algorithmic Trading Engine by QuantConnect (Python, C#) |
| GitHub Stars | ☆ 26,186 | ☆ 21,820 |
| Forks | 3,715 | 5,268 |
| Open Issues | 172 | 258 |
| Main Language | C# | C# |
| License | MIT | Apache-2.0 |
| Last Push | Sep 30, 2026 | Sep 29, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
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ILSpy Badge
[](https://githubrepo.cloud/repo/icsharpcode/ILSpy?utm_source=readme_badge)
Lean Badge
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