Egoboo
Egoboo is a working cool 3D dungeon crawling game in the spirit of NetHack. It supports Windows, Linux and Mac.
License
Egoboo is made available publicly under the GNU GPLv3 License.
Contact
Developers can usually be found in the Egoboo Gitter channel:
Travis CI Build Status
Travis CI build status of master branch:
Appveyor CI Build Status
Appveyor CI build status of master branch: