Open Source Web Application Framework for the Microsoft ASP.NET platform.
Full-featured, fully customizable, multilingual, skinable, multi-document web based WYSIWYG HTML editor control. Microsoft Internet Explorer, Gecko based browsers (Firefox, Netscape, Mozilla) and Opera 9 are supported.
Free and easy-to-use webmail script with AJAX interface. Supports POP3/IMAP accounts, SMTP, SSL. Users can check and send mail, use address book. Skins, non-English languages, UTF-8. MS SQL/MySQL/MS Access backends supported.
An open source Web Portal Framework / Content Management System application written in ASP.NET / C# for the Windows OS platform and Linux MONO.
The DNN News module is a core DotNetNuke module that allows you to create news channels of aggregate feeds as well as display news feeds (RSS, atom, etc) in a customized format.
NBJB Nieuwe Website.
An ASP.NET forum module which is supposed to work on Mono and .NET with MySQL, MS SQL, PostgreSQL and Firebird databases and written on c#.
IP-Location is an IP Data Collection that includes all IP Ranges of the World, provided in ten languages. Updates on a three month basis, adding source code for data retrieval and data reporting [all DBFiles are compressed with 7-zip by www.7-zip.org]
YouUse is an open source Content Management System for the non-technical savvy users. It is a light-weight design to maintain speed, while still having many expert functions like Plug-Ins.
mojoPortal is an accessible, compliant, extensible, cross platform, cross database, content management system CMS written in C# ASP.NET. If you know how to make an ASP.NET UserControl then you already know how to make a feature that plugs into mojoPortal