Feature

Pyzo is a cross-platform Python IDE focused on interactivity and introspection, which makes it very suitable for scientific computing. Its practical design is aimed at simplicity and efficiency.

GeoGebra is a dynamic geometry system. You can do constructions with points, vectors, segments, lines, conic sections as well as functions and change them dynamically afterwards. On the other hand, equations and coordinates can be entered directly.

aewm++ is a minimal window manager for X11, based on aewm. It keeps aewm's minimalist look and feel but is written in C++, and adds some modern features like virtual desktops. GNOME EWMH hints have been removed in this release, because upstream wants to focus on making the code stable and minimalistic.

Information about all releases of Debian and Ubuntu. The distro-info script will give you the codename for e.g. the latest stable release of your distribution. To get information about a specific distribution there are the debian-distro-info and the ubuntu-distro-info scripts.