Moldable DJ mixer and music library organizer

• Each deck shows a spectral waveform and a beat grid. Beat Sync keeps the decks in time. You can cue a deck in your headphones and record the mix to a WAV file.
• Get suggestions for the next track. collier analyses the tempo and key of every track. It compares the key, tempo and sound of each track with the current track, then lists the closest matches.
• Find a track from a few letters with the fuzzy picker. Filters narrow the library by key, tempo and danceability.
• Focus on keyboard shortcuts, advanced modes for volume, seek and EQ.
• Manage your library from the window or the terminal. The tag editor and collier-cli repair tags, attach covers, file finished tracks and build playlists. Both work on the same library.
• Change collier to fit how you play via a configuration file that sets the deck count, waveform colors, font and more.
• Each deck comes with a variety of filters as well as Pure Data patches.
• Custom MIDI controller mappings support and a REPL.
• Keep your Bandcamp collection up to date.
• Keep your Export your playlists to a USB stick.
• EBU R 128 loudness normalisation toggle.
• Precise analysis based on Beat This! paper.
• Library powered by LMDB and a nimble search engine™.

collier supports macOS, Windows and Linux, with WebAssembly support coming soon.

built with 🤍 by mtmn.