Software development is not only my dayjob but also one of my biggest passions. Some of the software projects I pour time into outside of work are:
A curated list of resources on software architecture and related practices. To quote the repository readme:
Software architecture aims to describe the high level structures of software as well as the discipline of creating them. As this topic is pretty broad, it might contain resources also present in more niche lists.
Watchtower is currently the most popular solution for automating the updates of base images for docker containers. The project is written exclusively in Go. Maintained through the Containrrr team.
Shoutrrr is a notification package for go applications, heavily inspired by the python library caronc/apprise. It is also usable as a standalone CLI tool.