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Python library for audio and music analysis
Functional programming language for signal processing and sound synthesis
iOS/OSX DSP for audio (with Novocaine)
Fast, modern C++ DSP framework, FFT, Audio Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, ARM NEON)
A small stack-based audio language.
Vult is a transcompiler well suited to write high-performance DSP code
Notes on the Red Pitaya Open Source Instrument
Filter design, periodograms, window functions, and other digital signal processing functionality
Analog Modelling Synthesizer for Linux
United Open-libraries of Sound. United procedures for open-source audio libraries. For FPC/Lazarus/Delphi.
A modular synthesizer.