High Quality Content by WIKIPEDIA articles! Tucows Inc. or Tucows (originally an acronym for The Ultimate Collection of Winsock Software, a name which has long since been dropped) was formed in Flint, Michigan, USA in 1993. It incorporated in Pennsylvania and headquartered in Toronto, Ontario, Canada. The company is perhaps best known for its popular website directory of shareware, freeware, and demo software packages available to download. A system of mirror sites is maintained to allow the traffic to the site to be distributed among several worldwide server locations. Tucows contains software for many major computer platforms including Windows, Linux and Macintosh, and also older versions of Windows (most notably the Windows 3.x series).