Browse free open source C++ Sound/Audio Software and projects below. Use the toggles on the left to filter open source C++ Sound/Audio Software by OS, license, language, programming language, and project status.

  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Start Free
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 1
    Matroska is an open standard audio/video container format. Visit our homepage at http://www.matroska.org
    Leader badge
    Downloads: 4,752 This Week
    Last Update:
    See Project
  • 2

    guliverkli

    Media Player Classic, now part of the mpc-hc project

    Home of VobSub, Media Player Classic (MPC) and other misc utils. This project is now part of the Media Player Classic - Home Cinema project, at https://sourceforge.net/projects/mpc-hc/
    Leader badge
    Downloads: 139 This Week
    Last Update:
    See Project
  • 3
    projectM

    projectM

    projectM, a MilkDrop compatible opensource music visualizer

    projectM is an OpenGL based advanced music visualization program for Linux, Mac OSX, and Windows. It is backward compatible with all the features of Milkdrop 1.x (and now 2.x), but has many new toys and enhancements.
    Leader badge
    Downloads: 164 This Week
    Last Update:
    See Project
  • 4
    Pure Data Computer Music System
    The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.
    Leader badge
    Downloads: 81 This Week
    Last Update:
    See Project
  • Ship Agents Faster Icon
    Ship Agents Faster

    Transform your applications and workflows into powerful agentic systems at global scale.

    Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
    Start Free
  • 5
    IDTE- ID3 Tag Editor

    IDTE- ID3 Tag Editor

    A Smarter Way to Tag FLAC, Vorbis, Lyrics, WMA, WavPack, and ID3 Tags

    IDTE is a full-featured tag editor for Windows that supports tagging of FLAC, APE, ID3v1.x/2.x, WMA, Lyrics, and Vorbis metadata in audio files. It also includes a powerful audio player with support for 40+ lossy and lossless formats, including FLAC, ALAC, OGG, APE, MP3, and more. IDTE offers a wide range of advanced features: • Rename files using tag information • Export and manage tag data • Create and manage playlists • Search online for missing or incomplete tags • Fetch lyrics and album artwork • Full CUE sheet support • Batch processing and multi-file editing • SFX, visualizations, and more A new, minimalistic version of IDTE is also available for download: https://sourceforge.net/projects/idte ⚠️ Important Notice Tagging MP4 video files and WAV audio files using IDTE is not recommended. WAV tag support is ambiguous and inconsistently handled across players (see: http://wiki.audacityteam.org/wiki/WAV).
    Leader badge
    Downloads: 40 This Week
    Last Update:
    See Project
  • 6
    This program transforms the sound or the image using a single large FFT window and allows to do many interesting and strange effects to sounds and images. There is included another program who does extreme-time-stretch of the audio.
    Leader badge
    Downloads: 39 This Week
    Last Update:
    See Project
  • 7
    PLIB is a set of libraries that are designed to help developers of interactive 3D applications such as games. All PLIB libraries are portable to just about every modern Operating System. PLIB includes OpenGL GUI and scene graph, portable audio, portable
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    DreamStudio by Volocian Studios
    Volocian believes first and foremost that financial status shouldn’t be a barrier to entry in multimedia content creation. Whether you want to design a product or website, record a band, remix a song, or produce a feature length movie with professional post production graphics and effects, Volocian™ wants to help, even if you’re using borrowed hardware with no previous experience. We provide affordable products and services for any budget, including cost-free solutions for education and demo purposes, while everything we do is designed with ease of use and flexibility in mind, to suit everyone from novice hobbyists to expert professionals. Wherever possible, Volocian™ relies on free, open source, and cross-platform software to prevent vendor lock-in, planned obsolescence, and software as a service licensing. While we remain pragmatic about the use of proprietary software, as we’re aware of the feature limitations of some open source solutions, free solutions are preferred.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 9
    WallPaper (alias crawlpaper)
    This project has evolved from its original version into Calimero (a new Windows desktop wallpaper manager). Details here: https://sourceforge.net/projects/kalimero/ WallPaper (alias crawlpaper) is a desktop changer (NOT a screensaver) which includes a web crawler for picture download, an audio stream ripper, an audio player, a mini mp3 tag editor,etc. Also included support for .zip and .rar files and an interface to the BerkleyDB code for small databases.
    Downloads: 4 This Week
    Last Update:
    See Project
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Start Free
  • 10
    SoundScape: a winamp visualization plugin written in OpenGL. It sports a waveform oscilloscope, fractal terrain, and an amorphous blob that pulsates to the music.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 11
    BMPlayer
    BMPlayer is a GUI front-end for MPlayer. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation
    Downloads: 3 This Week
    Last Update:
    See Project
  • 12
    Milk Engine is a flexible engine suitable for almost any game. Milk Engine will contain everything needed to develop a game, even for the newbie. Yet it’s very useful for advanced users. It’s based on OpenGL and SDL, therefore it’s also cross-platform.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    A C and C++ Library + a compiler to create Adobe Flash SWF movies up to version 9 (v1.8.1). Supports nearly all the tags, includes an ActionScript compiler. Detailed docs and other tools: convert fonts to Flash, decompile Flash, jpg2swf. LASTEST IS 1.8.4
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    RNNLIB is a recurrent neural network library for sequence learning problems. Applicable to most types of spatiotemporal data, it has proven particularly effective for speech and handwriting recognition. full installation and usage instructions given at http://sourceforge.net/p/rnnl/wiki/Home/
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Cross platform 3D midi and audio visualization system. Features an advanced graphics rendering engine, with ogre3d, and a data driven plug-in architecture which allows for programmers and artist to modify and create new "visualization instruments".
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    Java access to USB, currently using kernel 2.4 Linux-USB support. There is a "core" API for accessing USB devices, and simple tools including a USB viewer in Swing. Applications are being developed separately, including digital camera support.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    A simple, stand-alone program to download album artwork from last.fm.