Various open source audio software for Windows

Papagayo

Papagayo is a lip-syncing program designed to help you line up phonemes (mouth shapes) with the actual recorded sound of actors speaking. (GPL)

Linux - Windows - macOS

PianoBooster

PianoBooster is a fun way of playing along with a musical accompaniment and at the same time learning the basics of reading musical notation. (GPL)

Linux - Windows

Sonic Visualiser

Sonic Visualiser is an application for viewing and analysing the contents of music audio files. Sonic Visualiser is particular interesting for musicologists, archivists and signal-processing researchers. (GPL)

Linux - Windows - macOS

SonoBus

SonoBus is an easy to use application for streaming high-quality, low-latency peer-to-peer audio between devices over the internet or a local network. Simply choose a unique group name, and instantly connect multiple people together to make music, remote sessions, podcasts, etc. Easily record the audio from everyone, as well as playback any audio content to the whole group. (GPL)

Linux - Windows - macOS

4 applications