.NET Framework is Microsoft's advanced software platform, which is used by TaskAngel.
.NET Framework has been around for several years, and Microsoft are steadily enhancing its quality and performance. Version 1.0 was built into Windows XP, version 2.0 was built into Windows Vista, and version 3.5 was built into Windows 7.
The current version of TaskAngel uses .NET Framework Version 2.0. This is included in the TaskAngel setup file. It is installed automatically if you don't already have version 2.0 installed.