A few repositories that might interest you:
https://github.com/bernardboey/PR5-Booking
A booking system for students to book the school's jamming studio - Practice Room 5 (PR5), created using Python and Django.
https://github.com/bernardboey/first-year-allocation
I devised a program using Python to automatically allocate over 250 students to rooms according to their demographics and living preferences, saving weeks of manual labour.
https://github.com/henblocks/henblocks.github.io
I independently developed HenBlocks, a block-based structured editor for the Coq Proof Assistant, which was created using JavaScript. You can find out more aobut HenBlocks at www.bboey.com/henblocks.
https://github.com/bernardboey/ip
This was my individual project for a Software Engineering class (CS2113) (http://www.comp.nus.edu.sg/~cs2113), which used Java.
https://github.com/bernardboey/NSWS-timesheet-filler
A Python script to automatically fill up timesheets on the NSWS (NUS Student Work Scheme) website.