WMI is a lightweight window manager for X11 which attempts to combine the best features of larswm, ion, evilwm, and ratpoison into one window manager. It supports both the conventional way of managing windows in a overlapping manner and the screen-alike way of managing windows in a non-overlapping fashion.
libcurl.mono is an object-oriented binding for the libcurl Internet client API. It supports rapid-development of powerful Internet clients in C# that can run within the mono runtime. With libcurl.mono, for example, you can develop FTP and HTTP clients without having to code down at the socket level. There are a number of sample applications to get you started.