Electronic Distribution of Software (EDOS) was a label from Software on Demand Ltd, based in Newcastle-Under-Lyme, UK.
The company allowed retailers to sell games on demand without keeping stock in-store. Encrypted master copies were kept on CD and a special PC with tape and various disk drives allowed games to be copied to generic tapes or disks. The inlays were unique to each game, but listed all the available formats.
The system supported a wide range of formats: Amiga, Atari, PC (3.5" and 5 1/4" disks), Amstrad CPC (Cassette and 3" disk), Spectrum, Commodore 64 (Cassette and 5 1/4" disk) and MSX.
The company had the rights to re-distribute the titles from a wide range of publishers. The original publishers were then paid a royalty for each game sold.
The company ran from 1991 to 1994.