Rogue-like
Shuruppak -- A Roguelike Game
Entertainment, Games, Video Games, Roleplaying, Rogue-like - Shuruppak. Technical documentation, source, and Windows executable.
http://shuruppak.strandwall.de/
Ithaca
Entertainment, Games, Video Games, Roleplaying, Rogue-like - Ithaca. Post-apocalyptic.
https://ithaca.sourceforge.net/
PAPAKI (roguelike project)
Entertainment, Games, Video Games, Roleplaying, Rogue-like - Papaki. Development blog.
http://papaki.blogspot.com/
ZAPM
Entertainment, Games, Video Games, Roleplaying, Rogue-like - ZapM. Science fiction theme.
https://zapm.org/
Iter Vehemens ad Necem - Index
Iter Vehemens ad Necem alias IVAN - a graphical roguelike game
https://ivan.sourceforge.net/
Kalyp - a fantasy based roguelike in Java
Entertainment, Games, Video Games, Roleplaying, Rogue-like - Kalyp. Fantasy CRPG written in Java.
https://kalyp.sourceforge.net/
Linley's Dungeon Crawl - Meta
Linley's Dungeon Crawl, a free and portable roguelike game.
http://www.dungeoncrawl.org/