FinOptions XL

excel financial analytics add-in valuing a broad range of options & their greeks

LanDiscovery is a free utility for browsing large local area networks.
Bopup Scanner

Freeware LAN scanner that resolves NetBIOS, MAC, IP addresses, HTTP servers.

Free Microsoft .NET Assembly supplying Decimal Routines and demos
LibTiff.Net

LibTiff.Net is a .NET version of original libtiff library.
LibJpeg.Net

LibJpeg.Net is a .NET version of original libjpeg library.