Managing Dropbox sync on a headless server is painful with just the CLI. LazyDbx is a terminal UI that lets you browse local and remote files, toggle sync, and create share links — all from the terminal.
zugpferd is a Ruby library for reading, writing, and converting e-invoices (XRechnung, ZUGFeRD/Factur-X) according to EN 16931. It supports UBL 2.1 and UN/CEFACT CII, PDF/A-3 embedding via Ghostscript, and Schematron validation.
qmd is a quite popular mini cli search engine for your docs, knowledge bases, meeting notes, whatever. I wanted to build a terminal UI (tui) for it and accidentially I've created a little more...
I've switched my tech stacks several times in the past 10+ years. Something that has been consistently there throughout these times has been tmux. Here's how I'm using it with Rails