I work on these for fun in my spare time.
Command-line YAML swiss-army knife. Kind of like jq but for YAML.
Simple memcache client.
Simple data aggregation scripts for InfluxDB. Used to aggregate stats from home automation sensors.
Simple exporter for lists found on listchallenges.com
Examples of Java primitives used to tutor students.
My attempt at solving projecteuler.net programming challenges
Electronics experiments and tinkering. Arduino, sensors, micro-controllers, etc
Distributed Systems experiments. Kubernetes, Terraform, GraphQL, others.
Datascience and Machine Learning notes and experiments.
Web development experiments. Typescript, Webassembly, others.
Linux experiments and tinkering. Syscalls, namespaces, kernel modules and more.