Tuner

Musical instrument pitch tuningGPL-3.0-only

Clavier Tuner

Piano tuning from the piano in front of you: measured, not assumedApache-2.0

Tuner

App for tuning musical instruments.GPL-3.0-or-later

Tuner

A simple and precise tunerGPL-3.0-or-later

Let's Bend: Harmonica Tuner

Harmonica tuner for learning bending techniques with real-time visual feedback.MIT

Semitone

tuner, metronome, and pianoGPL-3.0-or-later

Fiddle Assistant

Music tuner with tools for violinGPL-3.0-or-later

ccgt

console chromatic guitar tuner.GPL-3.0-only

Salmon

An open-source guitar tuner that just worksMIT

Musekit

A simple tuner and metronome, no distractionsGPL-3.0-or-later

Chronal

Clean metronome & tuner with polyrhythms and notation editor.CC0-1.0

Diatronome

A tuner, a visual metronome and a synthesizerGPL-3.0-or-later

pitcher

Change the key of any song, keep the tempo. Tuner, loops, speed. Offline.GPL-3.0-only

Nonius

Ten measuring instruments. No ads, no trackers, no network.GPL-3.0-or-later

Night Mode Enabler

Enable NightMode on Android7+Apache-2.0

Bosun

Configure MIDI Captain pedals from your phoneGPL-3.0-or-later

YAACC

UPNP/DLNA client and server GPL-3.0-only

Tunerly

A minimalistic pitch tuning app for Guitar, Bass and Ukulele.GPL-3.0-only

Practice Suite

The Swiss army knife of musiciansAGPL-3.0-or-later

Title Track

A recorder for music memos.GPL-3.0-only