The free Community Edition runs hundreds of
thousands of production web sites. The new
Professional Edition  includes unique 
features designed for business-critical web sites.

Sitefinity
Meet the web content management system that requires no additional learning. Engineered for extensibility and customization, Sitefinity can help you deliver compelling web applications in a much shorter time than you would ever expect.

 

FileZilla
FileZilla is a cross-platform graphical FTP, FTPS and SFTP client a lot of features, supporting Windows, Linux, Mac OS X and more. FileZilla Server is a reliable FTP server for Windows.

Graphic Editing Software
Paint .Net
Paint.NET is free image and photo editing software