Voice Activity Detector (VAD) : low-latency, high-performance and lightweight

a Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid

Praat: Doing Phonetics By Computer

Enhanced version of Cockos' iPlug - A simple-to-use C++ framework for developing cross platform audio plugins and targeting multiple plugin APIs with the same code. VST / VST3 / Audiounit / RTAS / …

Build your own DOS/Windows machine in the browser

Port of the PCem PC emulator for macOS. Comes with OpenGL 3.0 support built-in