These probably aren’t very useful.
SDC: A ridiculously overengineered flash cards app using C, SQLite, Fenwick trees, and PyQt
SD: The original SDC, written in Go
Gimkit solver: Searching for the optimal Gimkit strategy
zenpower3: A Linux kernel driver for reading temperature, voltage(SVI2), current(SVI2) and power(SVI2) for AMD Zen family CPUs, now with Zen 3 support!
zenmonitor3: Monitoring software for AMD Zen-based CPUs, now with Zen 3 support!
Flip interpreter: Interpreter for Flip, a single-instruction Turing-complete programming language
rebuild_db: Manage your iPod shuffle without iTunes, patched for modern Python 3
httpify: Turn your cool script into a dumb web app
fotd: Fortune of the day