Xfce is a lightweight desktop environment for unix-like operating systems. It aims to be fast and lightweight, while still being visually appealing and easy to use. Designed for productivity, it loads and executes applications fast, while conserving system resources.

Wireshark is a network "sniffer" - a tool that captures and analyzes packets off the wire. Wireshark can decode too many protocols to list here.

This is the GNOME Desktop environment, an intuitive and attractive desktop, with extra components.

PulseAudio, previously known as Polypaudio, is a sound server for POSIX and WIN32 systems. It is a drop in replacement for the ESD sound server with much better latency, mixing/re-sampling quality and overall architecture.

Kicad is a suite of programs for the creation of printed circuit boards. It includes a schematic editor, a PCB layout tool, support tools and a 3D viewer to display a finished & fully populated PCB.

xterm is a terminal emulator for the X Window System. It provides DEC VT102 and Tektronix 4014 compatible terminals for programs that cannot use the window system directly. This version implements ISO/ANSI colors and most of the control sequences used by DEC VT220 terminals.