Basic Pitch

Developed by Spotify’s Audio Intelligence Lab, Basic Pitch is a lightweight, open-source tool that does one thing perfectly: it turns audio recordings into MIDI files.

### Why it's a hidden gem:
- **Polyphonic Accuracy:** It can accurately identify multiple notes playing at once (like a guitar chord), which most free tools fail at.
- **Nuance Capture:** It tracks pitch bends and "velocity" (how hard a note was hit), making the resulting MIDI feel much more human.
- **Zero Friction:** No account, no login, no cost. Just drag and drop a file and download the MIDI.

**Ideal for:** Musicians who come up with a melody on an acoustic guitar or voice memo and want to quickly move it into a digital environment to use with virtual instruments.