links:
http://mit.edu/bnewbold/thesis
http://sagemath.org
http://www.grame.fr/Research/GCalcul/Graphic_Calculus.html
http://birkholz.chandler.az.us/~matt/Scheme/
http://eta.xvm.mit.edu (user: admin, pass: password)

Possible projects:

() sage math interface to MIT/GNU scheme
() GTK+ stuff, plotting, visual programming
() tensor analysis computer algebra stuff