Matewave

Play chess offline, sharpen tactics, and practice openings with AI or friends.GPL-3.0-or-later

OneTwo

Provides you with dice, counter and timersMIT

HyperRogue

Top-down rogue-like adventureGPL-2.0-only

Blokish

Board gameGPL-3.0-only

Backgammon Clock

A flexible two-player backgammon match clock and scorekeeper.MIT

Daybook: Daily Logic Puzzles

New logic and word puzzles every day. No ads, no account, works offline.AGPL-3.0-or-later

Braincup - Brain Training

Train your focus, memory and math skills.Apache-2.0

Chogan

Offline game collection: tower defence, sudoku, minesweeper, dots.MIT