Side-by-Side Comparison
theia vs Lean
Compare open source repositories side by side. Stars, forks, code health, licensing, and community growth.
Recorded Stars Comparison
● eclipse-theia/theia (21.7K)
● QuantConnect/Lean (21.8K)
☆ 21.7Ktheia stars
☆ 21.8KLean stars
+115Difference
LeanStar Leader (1.0x)
⚖️ Comparison Verdict
Star Popularity
Lean Leads
+115 stars (1.0x ratio)
Forks & Derivatives
Lean Leads
5.3K total community forks
Recent Maintenance
theia
Pushed 10h ago
Licensing
Different
theia: EPL-2.0 vs Lean: Apache-2.0
Side-by-Side Facts
| Metric | eclipse-theia/theia ↗ | QuantConnect/Lean ↗ |
|---|---|---|
| Description | Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript. | Lean Algorithmic Trading Engine by QuantConnect (Python, C#) |
| GitHub Stars | ☆ 21,705 | ☆ 21,820 |
| Forks | 2,914 | 5,268 |
| Open Issues | 1,521 | 258 |
| Main Language | TypeScript | C# |
| License | EPL-2.0 | Apache-2.0 |
| Last Push | Oct 5, 2026 | Sep 29, 2026 |
| GitHub Source | Open Source ↗ | Open Source ↗ |
⭐ Embed Verified Badges in README
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theia Badge
[](https://githubrepo.cloud/repo/eclipse-theia/theia?utm_source=readme_badge)
Lean Badge
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