Master thesis on MFF UK, implementation of two different drivers for complex Top trees data structure and comparison on difficult 2-edge connectivity problem.
Games and systems developed for some one-time games on camps related to the Matfyz.
Submission and grading/scoring system for the Mathematical olympiad developed together with Martin Mareš.
KSP is programming contest and spring and autumn camps. Several years I was lead organizer of the whole seminar, now I am something like 'Elder org'.
Summer and winter camps with lectures, workshops and adventure activities. Great community and something like my second family.