lichess-org/lila

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♞ lichess.org: the forever free, adless and open source chess server ♞

Why this repo matters

Production-grade Scala and Play Framework reference for building high-performance, type-safe web applications at massive scale.
Demonstrates sustainable open-source infrastructure supporting millions of users without ads or venture capital funding.
Complex functional programming patterns applied to real-time game logic and state management in a live environment.

Key Metrics

Stars: 18.7k
Forks: 2.8k
Open Issues: 1.3k
Stars (7d delta): 0
Stars (30d delta): 0

Scores & Metadata

Trend Velocity Score: 0.00
Opportunity Score: 10.00
Confidence Score: 80.00
Language: Scala
License: AGPL-3.0
Topics:
🏷️ chess 🏷️ free-software 🏷️ functional-programming 🏷️ game 🏷️ lichess 🏷️ non-profit 🏷️ play-framework 🏷️ scala 🏷️ type-safe 🏷️ typescript
First Seen: 2 months ago

Star History

18.7k stars+70 over 6 snapshots8/17/2026 – 9/5/2026

Links & Sources

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