YALL1 (Nov. 2010): Octave port of Matlab program for solving $l^1$ minimization problems
Rliblinear (Nov. 2010): R interface to LIBLINEAR large-scale classification/regression library
Cluster by Night (Sept. 2009): Linux distro for distributed computation
Charts (2008–present): Various charts/diagrams released under Creative Commons license
Bus Timetables (Sept. 2008): Graphic representation of bus timetables (a la. Charles Ybry)
Afr Miscellany Magazine (Sept. 2009): A magazine of interesting things
P-014 Scientific Calculator (Nov. 2008): A scientific calculator built into a computer keyboard using an Arduino microprocessor and LCD screen