panda-motd is a utility for generating a more useful MOTD (message-of-the-day) on Linux-based operating systems. The utility is highly configurable, and can track things such as service status, SSL certificate expiration, filesystem usage, and uptime. The project is licensed under the MIT license. panda-motd is written in pure Ruby. You can find the project on Github, here.
Thicket is a wrapper for "git log". It ingests the normal one-line git log, and formats it in a more visually pleasing way. Written in Crystal, a typed, compiled language designed with Ruby in mind.