eSoft was a Colorado-based company, that ceased operations in December 2013 and specializing in integrated security solutions including secure content management and unified threat management appliances. Privately held eSoft, based in the foothills of Broomfield, Colorado, has developed the award-winning InstaGate and ThreatWall security appliances, as well as modular software bundles called ThreatPaks that provide Email and Web security.eSoft ceased operations in December, 2013.