The file management automation tool.
Your desktop is a mess? You cannot find anything in your downloads and documents? Sorting and renaming all these files by hand is too tedious? Time to automate it once and benefit from it forever.
organize is a command line, open-source alternative to apps like Hazel (macOS) or File Juggler (Windows).

TagSpaces is an open source personal data manager.
It helps you organize files with tags on every platform.

The purpose of beets is to get your music collection right once and for all. It catalogs your collection, automatically improving its metadata as it goes using the MusicBrainz database. Then it provides a bouquet of tools for manipulating and accessing your music.