Sokoban++ - A free Sokoban player with 50 built in levels.
Fish Fillets Clone - It is a game inspirated by Fish Fillets - NG, with changed rules.
Sokoban YASC - A modern free Sokoban player
Baba Is You - Puzzle game about changing the rules
Simple Sokoban - Simple Sokoban is a (simple) Sokoban game aimed at playability and portability across systems.
YSokoban - A classic but still maintained Sokoban player