PalmOS
9.95 CHESS, Chess Everywhere, Chess for PalmOS, Chess on the Palm OS, Chess Quantum 3.0, Chess Tiger 14.5 vs Chess Genius 1.3, Chess Tiger 15.1 for Palm, Chess Tiger for Palm PDAs, Chess Timer for Palm, ChessGenius 2.2 for Palm
PocketPC
CEBoard : pgn viewer/writer for Pocket PC, Chess for PocketPC, ChessGenius 1.5 for PocketPC, Graduate Chess, Kasparov Chessmate, Mobile Chess 2.0, Palm vs. PocketPC - A Chess Duel, PalmChess 2.0, Pocket Chess Data, Pocket ChessPartner
Chess Programs for Palm OS and Pocket PC
an Ezine review of 7 Palm chess programs. Those that also run on Pocket PC are noted.
Helio ChessMate
Home of the freeware chess program for the V-Tech Helio PDA. Source code available.
Little Monsters
Article on chess-playing programs for Palm and PocketPC, discusses Chess Genius, Chess Tiger, Pocket Fritz.
Mobile Chess games by VEL Technologies
Interactive chess games and puzzles for BREW phones, PALM, PocketPC, RIM Blackberry and other advanced mobile devices.
PocketChess 1.0 for Royal DaVinci
[Freeware] Chess-playing program, black & white with 8 levels.
PocketChess 1.2a for Epoch
[Freeware] Greyscale set, move list.