3. LmdbRuby bindings for the OpenLDAP's Lightning Memory-Mapped Database (LMDB)
4. 3deltaHost software especially suited for delta 3d printers
5. MimemagicMime type detection in ruby via file extension or file content
6. gitrbUnmaintained: Simple git implementation in ruby similar to grit, based on git_store
7. corfu🏝️ corfu.el - Completion Overlay Region FUnction
9. affe🐒 affe.el - Asynchronous Fuzzy Finder for Emacs
12. osm2shpConvert large OpenStreetMap files to shapefiles (Uses sqlite3 db as temporary storage)