While the majority of my engineering time is spent working on projects for my employer, most of which are not open source, I do still find the time to work on a few personal projects. You can find my various personal projects listed below, please note that these are all in various stages of development and many are just toy projects.
CGE or Command Graph Executor is a flexible execution system for complex graphs of actions - a self hosted replacement for tools like IFTTT or Zapier
A save file encoder/decoder and editor for Slay the Spire
Toy mathematics library that implements big integer and some operations like Karatsuba multiplication. Not intended for production, just to show how these can be implemented.
Ruby bindings for my Trooth toy mathematics library. Uses standard approaches to bridge the C trooth library into Ruby. Not intended for production usage.