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) 2012-2017 the lila authors.
For a list of the authors see the commit log or https://github.com/ornicar/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.
Additional permission under GNU AGPL version 3 section 7
If you modify this Program, or any covered work, by linking or combining it with Highcharts (or a modified version of that library), containing parts covered by the terms of the Creative Commons (CC) Attribution-NonCommercial licence, the licensors of this Program grant you additional permission to convey the resulting work. Corresponding Source for a non-source form of such a combination shall include the source code for the parts of Highcharts used as well as that of the covered work.
|public/font70||Dave Gandy, GitHub, Webalys, Zurb, Daniel Bruce, Shapemade, Sergey Shmidt and the lichess authors||OFL, MIT, CC BY 3.0, AGPLv3+|
|ChessSansPiratf in public/fonts||the pgn4web authors||GPLv2+|
|public/images/flags||Go Squared Ltd.||MIT|
|public/images/boards||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/merida||Armando Hernandez Marroquin||GPLv2+|
|public/piece/shapes||flugsio||CC BY-SA 4.0|
|public/piece/alpha||Eric Bentzen||"free for personal non commercial use" (see zip)|
|public/piece/companion||David L. Brown||"freeware"|
|public/piece/fantasy||Maurizio Monge||"give credit in a suitable way"|
|public/piece/leipzig||Armando Hernandez Marroquin||"freeware"|
|public/piece/spatial||Maurizio Monge||"give credit in a suitable way"|
|public/images/staunton/piece/Staunton||Eden Murs (?)|
- The other sounds in public/sound.
- The other artwork in public/images.
- The icon font in public/font70.
Lichess as deployed on https://lichess.org/ also uses these external services:
- Cloudflare to serve static assets
- Mailgun for transactional email
- prismic.io for help/documentation pages and the blog
- twitch for featured livestreams
- YouTube for featured livestreams and the Video library
- stripe and PayPal for Patron donations
- Spreadshirt for the Swag store
- check.torproject.org for a list or Tor exit nodes
- Google Fonts
- Google Cloud Messaging and OneSignal for mobile notifications
- crowdin for localization