FreePlot is a simple mathematical program that plots 2D functions written in Python. It provides an easy-to-use interface and a powerful graphing mechanism that allows the user to understand what she is doing at all times. FreePlot features out-of-the-box multiplatform support for GNU/Linux, BSD, Win32, and MacOS. Functions can be saved to an image file. An unlimited number of functions can be used on the same cartesian plane. Multiple colors, multiple line styles and marks, and legends are supported.
PrIMETV is a program that can visualize tree-within-tree phenomena such as gene/species tree reconciliations. Output can be given in a range of formats, including PostScript, Fig, and SVG. Thus, it is possible to easily edit the final illustration in many available drawing programs. PrIMETV can also directly manipulate important attributes such as color and layout policy.
SuperPodder is a lightweight podcast downloader. It features a text based history file that prevents duplicate downloads, a simple XML format for storing your feeds, a simple user interface that gives a detailed overview of download progress, and the ability to specify how many downloads you want from a particular feed. SuperPodder supports RSS feeds containing torrent files.