Audio server, programming language, and IDE for sound synthesis
Functional programming language for signal processing
PC based Oscilloscope and Spectrum analyzer using sound card
A high quality MP3 encoder
A free multi-track audio editor and recorder
Multiplatform GUI of MP3Gain which adjusts volume of MP3 files
Freeverb3 DSP VST effect plugins
Linux Studio Plugins Project
Automatic audio RMS normalizer & splitter
Echoes is a radio spectral analysis software for SDR devices
Sound Editor for KDE
slab3d is a real-time virtual acoustic environment.
Audio measurement sfotware
Scanning Probe Microscopy Controller and Data Visualization Software
lmms projects builder and tagger
Analyze and reassemble TS (mpeg transport stream) fragments
Audio Enhancer for Windows and Embedded Platform
Super Nintendo (SNES) emulator focused on performance, features