Any file in this project that does not state otherwise and is not listed as an
exception below is part of lila and copyright (c) 2012-2026 the lila authors.
For a list of the authors see the commit log or
https://github.com/lichess-org/lila/graphs/contributors.
Lila is free software; you can redistribute and/or modify it under the terms
of the GNU Affero General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
Lila is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
details.
See the LICENSE file for a copy of the GNU Affero General Public License.
| Files |
Author(s) |
License |
| public/font/lichess.{sfd,woff,woff2} |
Dave Gandy, GitHub, Webalys, Zurb, Daniel Bruce, Shapemade, Sergey Shmidt and the Lichess authors |
OFL, MIT, CC BY 3.0, AGPLv3+ |
| public/font/lichess.chess.{sfd,woff,woff2} |
the pgn4web authors |
GPLv2+ |
| Noto Sans in public/font |
Google |
Apache 2.0 |
| Roboto in public/font |
Christian Robertson |
Apache 2.0 |
| Segment7 in public/font |
Cedders |
SIL Open Font License |
| public/piece/horsey, public/images/emoji/horsey.webp |
cham, michael1241 |
CC BY-NC-SA 4.0 |
| public/images/staunton |
James Clarke |
MIT |
| public/images/staunton/piece/CubesAndPi |
CubesAndPi |
AGPLv3+ |
| public/images/trophy |
James Clarke |
MIT |
| public/flags |
Go Squared Ltd. |
MIT |
| public/flags/ES-AN.png |
Miguillen |
CC-BY-SA 4.0 |
| public/flags/PT-30.png |
Brian Boru, Nuno Tavares |
CC-BY-SA 1.0 |
| public/images/board |
the lila authors and pirouetti |
AGPLv3+ |
| public/images/learn/pieces |
Thibault Duplessis and Colin M.L. Burnett |
GPLv2+ |
| public/piece/mono |
Thibault Duplessis and Colin M.L. Burnett |
GPLv2+ |
| public/piece/cburnett |
Colin M.L. Burnett |
GPLv2+ |
| public/piece/chessnut |
Alexis Luengas |
Apache 2.0 |
| public/piece/letter |
usolando |
AGPLv3+ |
| public/piece/pirouetti |
pirouetti |
AGPLv3+ |
| public/piece/merida |
Armando Hernandez Marroquin |
GPLv2+ |
| public/piece/shapes |
flugsio |
CC BY-SA 4.0 |
| public/piece/pixel |
therealqtpi |
AGPLv3+ |
| public/piece/rhosgfx |
RhosGFX |
CC0 1.0 |
| public/piece/california |
Jerry S. |
CC BY-NC-SA 4.0 |
| public/piece/caliente |
avi |
CC BY-NC-SA 4.0 |
| public/piece/maestro |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/fantasy |
Maurizio Monge |
MIT |
| public/piece/spatial |
Maurizio Monge |
MIT |
| public/piece/celtic |
Maurizio Monge |
MIT |
| public/piece/fresca |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/cardinal |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/icpieces |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/gioco |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/tatiana |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/staunty |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/dubrovny |
sadsnake1 |
CC BY-NC-SA 4.0 |
| public/piece/anarcandy |
caderek |
CC BY-NC-SA 4.0 |
| public/piece/disguised |
danegraphics |
CC BY-NC-SA 4.0 |
| public/piece/kiwen-suwi |
neverRare |
CC BY 4.0 |
| public/piece/mpchess |
Maxime Chupin |
GPL3v3+ |
| public/piece/cooke |
fejfar |
CC BY-NC-SA 4.0 |
| public/piece/monarchy |
slither77 |
CC BY-NC-SA 4.0 |
| public/piece/xkcd |
Randall Munroe |
CC BY-NC-SA 2.5 |
| public/piece/Firi |
James Faure |
CC BY 4.0 |
| public/sounds/futuristic |
Enigmahack |
AGPLv3+ |
| public/sounds/nes |
Enigmahack |
AGPLv3+ |
| public/sounds/piano |
Enigmahack |
AGPLv3+ |
| public/sounds/sfx |
Enigmahack |
AGPLv3+ |
| public/sounds/lisp |
EdinburghCollective |
CC BY-NC-SA 4.0 |
| SVG in ui/learn/src/apple.ts |
Sensa |
CC0 1.0 |
| public/flair/img/symbols.neovim-mark.webp |
Jason Long |
CC BY 3.0 (Modified by converting to webp and resizing) |
public/images/practice/_ game-icons.net CC BY 3.0
public/images/puzzle-themes/_ game-icons.net CC BY 3.0
translation/source/puzzleTheme.xml | the lila authors and contributors | CC0 1.0
| Files |
Author(s) |
License |
| public/logo, public/favicon.ico, public/apple-touch-icon.png |
sadsnake1 |
Only use to refer to lichess.org |
| public/piece/alpha |
Eric Bentzen |
"free for personal non commercial use" (see zip) |
| public/piece/chess7 |
Style-7 |
"freeware" |
| public/piece/companion |
David L. Brown |
"freeware" |
| public/piece/leipzig |
Armando Hernandez Marroquin |
"freeware" |
| public/piece/reillycraig |
Reilly Craig |
|
| public/piece/riohacha |
|
|
| public/images/staunton/piece/Staunton |
Eden Murs (?) |
|
| public/piece/shahi-ivory-brown |
Tamer Karatekin |
Free for personal and commercial use, but non-derivative non-modify license (Şahî Chess & Shatranj Font License v1.0 – https://github.com/TamerKaratekin/shahi-chess-shatranj-font/blob/main/LICENSE.txt) |
- The other sounds in public/sound
- The other artwork in public/images
Lichess as deployed on https://lichess.org/ also uses these external services:
