A fully featured open source mail delivery platform for incoming & outgoing e-mail

Pony is an open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language.

A web site that helps you discover awesome .NET open source and community resources  

Premium and Open Source dashboard template with responsive and high quality UI. For Free

Piranha CMS - The Open source CMS for .NET Core, NetStandard and AspNetCore MVC 

Free, open source and cross-platform CMS based on ASP.NET Core and ExtCore framework 

fixes a StackOverflow exception on processing source files with AngularJS 2.0  

An inspirational collection of experimental link effects mostly using transitions on pseudo-elements.  Demo   Download Source