ToneDef is a small, but powerful tone dialer application for Android featuring DTMF, bluebox, and redbox tone generation.

Software synthesizer written in C++, using SDL 2 for its audio backend.

🚓 Police Siren 🚒 Fire Engine Siren 🚑 Ambulance Siren

🎧 A tone audio generation program that can be used in situations where testing of audio equipment or other constant audio signals are required.

A portable (SDL) audio synthesizer / tone generator inspired by the Korg ER-1

Tone generator Windows app.

A portable (SDL) audio synthesizer / tone generator that allows users to draw oscillators and envelopes.

Calculates the room RT60 reverberation time by sending out tones

Port of Matt Gallagher's tone generator to Swift

DTMF Tone Player

Play back g-code M300 music in Python 3 using audiogen_p3!

fairly configurable tone generator (outputs WAVE files)

Houscil~ (Houscillator) PureData external, a 7th chord harmonic tone generator