- ledger 0 Double-entry accounting system with a command-line reporting interface
- loccur 0 loccur is Emacs minor mode for navigating through the file like occur does, but without opening a new window.
- melpa 0 Scripts for building Emacs packages from Version Control
- openscad 0 OpenSCAD - The Programmers Solid 3D CAD Modeller
- openrocket 0 OpenRocket simulation software