Audio server, programming language, and IDE for sound synthesis
PC based Oscilloscope and Spectrum analyzer using sound card
Python program for Geiger counters and Environmental Sensors
Open Source Integrated Hospital Information Management System
Perfect and bit-perfect PCM encoded sine wave audio test tones
Bard is an interface of the results equalizations of AutoEQ
Analyze audio files for Peak levels, peak and total RMS, and DC offset
a vocoder + equalizer + FFT effects version of radio_chung
display, record, add special effects
Strobe Tuner for Windows
System Audio Equalizer for macOS - Parametric EQ & Volume Mixer
Unknown Invaders - Game for all family
piano like variable dynamic reverb
Panoramic spectrum analyzer with access to RTL
Visual using the java processing API
Fast, bit-perfect audio editor that doesn't modify samples needlessly
Feel the music
A tool to look into file contents
GNU audio player
Thérémine generates high quality audio from an USB Arduino Theremin
Max's tiny but powerful Calculator
Xtreme Media Player is a free cross-platform media player.