Lichess - The complete chess experience, play and compete in tournaments with friends others around the world.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
Chess.com - Play chess on Chess.
Skuuudle - Discover, match and monitor your eCommerce competitors.
Fritz - Fritz is the world’s most popular chess program, developed by ChessBase, “the world's leading...
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.