Lightweight fully extendable client/server application framework
A pure Object-Oriented JSP layout tool
A component-based, event-driven JavaScript framework from Twitter
a simple client-server ERP system
The dotCODES Source Control Maintenance Mainframe (SCM2)
Meteor, the JavaScript App Platform
xml Template Engine System
Busilet is a reference implementation of IDTP and UTID.
giServer the easy to use and extensible batch and integration server
Realtime HTML5 Framework
client and server HTTP(S) library for Boost C++ developers
The Guardian DotCom
Open Source API-centric PHP Micro-framework
cSharp to mumps
https://github.com/sitefusion
Cross-platform C++ libraries with a network/internet focus.
Open source Extract Transform Load engine written in Java
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework