Lichess

All

69 repositories

mobile
Public
New Lichess mobile app in Flutter
android dart ios mobile chess flutter lichess
Dart
•
GNU General Public License v3.0
•310•1.9k•338•27•Updated Nov 4, 2025Nov 4, 2025
lila-search
Public
Keep elasticsearch threads out of your web facing app, kids
elasticsearch chess scala functional-programming typelevel lichess scala3 cats-effect smithy smithy4s
Scala
•
GNU Affero General Public License v3.0
•27•49•2•3•Updated Nov 4, 2025Nov 4, 2025
chessground
Public
Mobile/Web chess UI for lichess.org
typescript ui chess board lichess
TypeScript
•
GNU General Public License v3.0
•297•1.2k•27•5•Updated Nov 4, 2025Nov 4, 2025
lila
Public
♞ lichess.org: the forever free, adless and open source chess server ♞
game typescript chess scala functional-programming play-framework free-software type-safe non-profit lichess
Scala
•
GNU Affero General Public License v3.0
•2.5k•17k•1.1k•23•Updated Nov 4, 2025Nov 4, 2025
stockfish-web
Public
A home for stockfish wasms - because we care
Python
•
GNU General Public License v3.0
•5•19•0•0•Updated Nov 4, 2025Nov 4, 2025
papers
Public
Papers that use Lichess data, study Lichess, or cite Lichess
chess bibliography publications lichess
TeX
•
Creative Commons Zero v1.0 Universal
•4•31•3•0•Updated Nov 4, 2025Nov 4, 2025
zulip
Public
Zulip server and web app—powerful open source team chat - slightly hacked by and for lichess.org
Python
•
Apache License 2.0
•8.9k•6•0•0•Updated Nov 3, 2025Nov 3, 2025
lila-ws
Public
Lichess' websocket server
redis streaming reactive scala akka websocket pubsub lichess
Scala
•
GNU Affero General Public License v3.0
•98•168•2•4•Updated Nov 3, 2025Nov 3, 2025
fishnet
Public
Distributed Stockfish analysis for lichess.org
chess distributed-computing lichess volunteer-computing stockfish
Rust
•
GNU General Public License v3.0
•109•839•6•1•Updated Nov 2, 2025Nov 2, 2025
api
Public
Lichess API documentation and examples
lichess
TypeScript
•
GNU Affero General Public License v3.0
•161•508•20•0•Updated Nov 2, 2025Nov 2, 2025
lila-openingexplorer
Public
Opening explorer for lichess.org that can handle all the variants and trillions of unique positions
chess lichess http-api chess-database
Rust
•
GNU Affero General Public License v3.0
•40•147•2•6•Updated Nov 1, 2025Nov 1, 2025
lila-gif
Public
Webservice to render Gifs of chess positions and games, and stream them frame by frame
chess gif lichess http-api
Rust
•
GNU Affero General Public License v3.0
•24•110•6•8•Updated Nov 1, 2025Nov 1, 2025
lila-fishnet
Public
Proxy between lila and fishnet move clients
cats chess functional-programming typelevel lichess fishnet cats-effect
Scala
•
GNU Affero General Public License v3.0
•29•47•0•0•Updated Nov 1, 2025Nov 1, 2025
compression
Public
Chess clock and move compression algorithms for lichess.org
Scala
•
GNU Affero General Public License v3.0
•21•119•1•2•Updated Nov 1, 2025Nov 1, 2025
scalachess
Public
Chess API written in scala. Immutable and free of side effects.
chess functional-programming bitboard lichess bitboard-datastructure scala-3
Scala
•
MIT License
•224•738•4•5•Updated Nov 1, 2025Nov 1, 2025
scalalib
Public
Misc scala utilities shared by the lichess.org scala projects.
library chess scala
Scala
•
MIT License
•21•20•1•0•Updated Nov 1, 2025Nov 1, 2025
broadcaster
Public
Broadcast your chess games on Lichess!
Vue
•
GNU Affero General Public License v3.0
•9•21•11•0•Updated Nov 1, 2025Nov 1, 2025
lila-tablebase
Public
Tablebase server
rust chess lichess http-api syzygy tablebase
Rust
•
GNU Affero General Public License v3.0
•15•91•0•1•Updated Oct 31, 2025Oct 31, 2025
op1
Public
Probe Marc Bourzutschky's partial 8-piece tablebase, op1
C
•
GNU Affero General Public License v3.0
•0•1•0•0•Updated Oct 29, 2025Oct 29, 2025
chess-openings
Public
An aggregated data set of chess opening names
chess dataset lichess
Python
•
Creative Commons Zero v1.0 Universal
•111•451•5•3•Updated Oct 27, 2025Oct 27, 2025
fishnet-builder
Public
Docker image for an environment that can produce fully static Stockfish builds
C
•0•2•0•0•Updated Oct 24, 2025Oct 24, 2025
chessground-examples
Public
Usage examples for chessground
TypeScript
•
GNU General Public License v3.0
•35•61•1•1•Updated Oct 22, 2025Oct 22, 2025
lila-db-seed
Public
Sample database data for lila development
Python
•
MIT License
•19•23•0•0•Updated Oct 20, 2025Oct 20, 2025
api-ui
Public
some web UIs on top of the Lichess API
lichess-api lichess
TypeScript
•
GNU Affero General Public License v3.0
•4•22•0•0•Updated Oct 18, 2025Oct 18, 2025
lila-http
Public
Handle some https://lichess.org/tournament load
lichess
Rust
•
GNU Affero General Public License v3.0
•13•40•0•5•Updated Oct 18, 2025Oct 18, 2025
lila-docker
Public
Lichess local development using Docker Compose.
docker docker-compose lichess
Rust
•
GNU Affero General Public License v3.0
•84•99•6•1•Updated Oct 17, 2025Oct 17, 2025
pgn-viewer
Public
PGN viewer widget
javascript typescript chess viewer pgn lichess
TypeScript
•
GNU General Public License v3.0
•31•132•4•5•Updated Oct 15, 2025Oct 15, 2025
berserk
Public
Python client for the lichess API
Python
•
GNU General Public License v3.0
•63•140•4•8•Updated Oct 13, 2025Oct 13, 2025
fishnet-assets
Public
NNUE files built into https://github.com/lichess-org/fishnet
chess lichess stockfish
0•0•0•0•Updated Oct 12, 2025Oct 12, 2025
zerofish
Public
TypeScript
•
GNU Affero General Public License v3.0
•3•0•0•1•Updated Oct 3, 2025Oct 3, 2025