Copyright 2004-2014 Andrey Korotaev unC0Rr@gmail.com and others. See QTfrontend/res/html/about.html and CREDITS for a complete list of authors.
Source code is distributed under the terms of the GNU General Public Licence version 2; images and sounds are distributed under the terms of the GNU Free Documentation Licence version 1.2. See the COPYING file for the full text of the licenses.
See our wiki at: https://code.google.com/p/hedgewars/wiki/BuildingHedgewars
You can find an outline of the necessary dependencies in the INSTALL file.
Our main repository is located at http://hedgewars.googlecode.com using Mercurial as DVCS. A Git repository is also available (mirrored daily) at https://github.com/hedgewars/hw
If you see a bug or have any suggestion please use the official bug tracker at http://code.google.com/p/hedgewars/issues/list or the integrated feedback button.
If you want to help or get to know the sources better you can do that with some easy tasks from http://code.google.com/p/hedgewars/wiki/TODO. We also have an extended API in LUA to customize your adventures in our wiki at http://code.google.com/p/hedgewars/wiki/LuaAPI.
If you know your way through the code feel free to send a patch or open a pull request. The best LUA scripts get released in the official DLC page and later integrated in the next version.