Bayesian Modeling and Probabilistic Programming in Python
Local git statistics including GitHub-like contributions calendars
A portable, multi-platform, command-line driven graphing utility
A cross-platform statistical package for econometric analysis
Computer Algebra System written in Common Lisp
fast C++ library for linear algebra & scientific computing
General Mission Analysis Tool
For exploring cellular automata like Conway's Game of Life.
2D & 3D TeX-Aware Vector Graphics Language
Social Network Analysis and Visualization software
statistical tests & psuedo- random number generators (RNGs, PRNGs)
Agena is an interpreted procedural programming language.
Numerical Bifurcation Analysis Toolbox in Matlab
Android, UIQ 3.0, Series 60 Edition 5 open-source software
A shared memory parallel sparse matrix library including Sparse BLAS.
A Fractal Zoomer with various functions.
Data Visualization and Analysis
Toolboxes for parameter continuation and bifurcation analysis.
A powerful arbitrary-precision calculator.