Chess engines

Stockfish

Stockfish 111113 64	Stockfish 111113 64 SSE4.2 by Tord Romstad, Marco Costalba and Joona Kiiski	d command
stockfish 19042711 x64	Stockfish 270419 64 POPCNT by T. Romstad, M. Costalba, J. Kiiski, G. Linscott	d command

UCI command
engine-interface (2006)
uci command (2004)