Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.

Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...

GNU Octave - GNU Octave is a programming language for scientific computing.

The Guide - The Guide is a two-pane outliner - a program that allows you to arrange text notes in a tree-like...

Maxima - Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.

Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.