A powerful server and network library, including coroutine
Anti-Spam SMTP Proxy Server implements multiple spam filters
C library for sending e-mail (with attachments) from C/C++
one server framework
A lightweight Java HTTP server and webservice-framework
A Task Processing Framework for Java
Free and open source webmail software
Fast and efficient web server
a powerfull c++ library for win32/linux, server framework, HttpServlet