The Open Toolkit (OpenTK) is a set of advanced cross-platform bindings to OpenGL, OpenCL, and OpenAL for C# and other Mono/.Net languages. It can be used standalone (in the spirit of GLFW or SDL) or integrated into GTK# and WinForms applications.
A fetchmail replacement with qmail-like Maildir and external MDA delivery.
A multi-threaded file watcher and response daemon.