Faust is described as '(Functional Audio Stream) is a functional programming language for sound synthesis and audio processing with a strong focus on the design of synthesizers, musical instruments, audio effects, etc. Faust targets high-performance signal processing applications and audio' and is an app. There are more than 10 alternatives to Faust for a variety of platforms, including Windows, Web-based, Mac, Linux and Self-Hosted apps. The best Faust alternative is SuperCollider, which is both free and Open Source. Other great apps like Faust are Sonic Pi, Synthesine, TunePad and Klangmeister.
Nyquist is a language and IDE for sound synthesis and music composition. It is implemented in C and C++ and runs on Win32, OSX, and Linux. Nyquist combines a powerful functional programming style with efficient signal-processing primitives.
Wavepot is a live-coding environment for creating sound and music. Build sound and music compositions on-the-fly using JavaScript and save your projects right to GitHub.
Extempore is a programming language and runtime environment designed to support the programming of real-time systems in real-time.
Evaluator is an audio creation app that lets you write short C-style programs whose output is used to generate sound! It's available as a standalone app or as a VST plugin for your DAW.
