Alligata Software Ltd. was a computer games developer and publisher based in Sheffield in the UK in the 1980s.The company was founded by brothers Mike and Tim Mahony and their father J.R. Mahony in 1983. They produced games for a number of home computers including the Commodore 64, BBC Micro, Acorn Electron, ZX Spectrum and Dragon 32. The company published many of Tony Crowther's early Commodore 64 games, including Aztec Tomb, Blagger and Loco.