1. ZkZettelkasten on the command-line 📚 🔍
2. AirrecordRuby wrapper for Airtable, your personal database
4. LocaljobSimple, self-contained background queue built on top of SysV message queues.
7. Napkin MathTechniques and numbers for estimating system's performance from first-principles
8. LogrusStructured, pluggable logging for Go.