EasyXLS for .NET EasyXLS is the .NET and Java component to read and write Microsoft Excel 97-2010 files.
MagForms for .NET MagForms is a .NET library which allows .NET WinForms to be magnetized together.
NetXtremeZip Compress and decompress files and folders
ExtRes Extres is a programming library for Win32 programmers. You can create and retrieve textual resources for use in your application, the resources will be encrypted and optionally compressed.