Best Open Source Sound/Audio Software 2026

Sound/Audio Software

Sound/Audio Windows OSI-Approved Open Source Mobile Operating Systems Business Clear Filters

Browse free open source Sound/Audio software and projects for Windows and Mobile Operating Systems below. Use the toggles on the left to filter open source Sound/Audio software by OS, license, language, programming language, and project status.

Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.

Create free account
Gemini 3 and 200+ AI Models on One Platform
Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

Build generative AI apps with Vertex AI. Switch between models without switching platforms.

Start Free
1

oTuner

9-Octave Chromatic Tuner

Free open source GPL instrument / musical chromatic tuner (like an electronic guitar tuner) for Windows, Windows Mobile, & Pocket PC. Displays name of note played & accurate indication of whether pitch is sharp, flat, or exact (relative to 440Hz A).

12 Reviews

Downloads: 25 This Week

Last Update: 2018-01-22
See Project
2

Simple Timer Stopwatch

A simple timer stopwatch.

This is a simple timer stopwatch written in C++ with the Qt framework, without any extra features. A program for minimalists.

Downloads: 3 This Week

Last Update: 2017-02-22
See Project