WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Anti-Spam SMTP Proxy Server implements multiple spam filters
A free course management system (CMS) to create online learning sites
ASP.NET MVC Based Portal CMS System to Create an Instant Website
ssh-tunnel instead vpn in one exe
xoops brasil: themes, templates, modules, tutorial, demo, downloads...
Airfox is a free and fast web browser. It uses the Gecko Engine.
An OpenSource (C# .NET) TeamPlay Environment.
Performance and stability
Microsoft Exchange compatible server and client libraries