- Home: https://sourceforge.net/projects/holtz/
- State: mature
- Download: https://sourceforge.net/projects/holtz/files/
- Platform: Windows, Linux
- Keyword: board, puzzle, content open, online
- Code repository: https://git.code.sf.net/p/holtz/code, https://git.code.sf.net/p/holtz/website @add
- Code language: C++
- Code license: GPL-2.0
- Code dependency: wxWidgets
- Assets license: GPL
- Developer: Florian Fischer, Martin Trautmann
Collection of board games that can be played against the computer or online against other players. Holtz supports the games Zèrtz, Dvonn, Relax and Bloks.