Game remakes:
Batty remake
Frets/C++
Supaplex remake
Image processing:
BMP to ASCII
Vectorizer engine
HTML toys:
NoC topology designer (HTML5)
CPU simulation
Various projects:
Course Scheduler
Database engine
Image processing
My own HDL
My own processor
rDSP
Hardware:
Lego Styrofoam Cutter
Custom computer case
Guitar Hero Guitars