Open Source C++ Audio Recording Software

Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the LibreOffice or Apache OpenOffice office suites and entire Linux-based operating systems such as Ubuntu

NOTE: This site is not maintained anymore. If you want to get the latest news and releases please visit https://danielnoethen.de/butt. butt (broadcast using this tool) is an easy to use, multi OS streaming tool. It supports ShoutCast and IceCast and runs on Linux, MacOS and Windows. The main purpose of butt is to stream live audio data from your computers Mic or Line input to an Shoutcast or Icecast server. Recording is also possible. It is NOT intended to be a server by itself or automatically stream a set of audio files.

Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt framework. The target platform will be Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI,

The MIDI sequencer that features a rich understanding of music notation along with basic support for digital audio

WaveShop is an audio editor for Windows XP/Vista/7/8. Unlike many similar apps, WaveShop is bit-perfect, meaning samples aren't altered unless they need to be. Editing a portion of an audio file only affects that portion; the rest of the file is untouched. Blocks of audio can be cut and pasted without changing their contents at all. This is especially useful for patching a finished master without corrupting its dither.

PortMedia was created to develop and share cross-platform, open-source I/O libraries for digital media including MIDI, video, and audio. Only a few things were released under the PortMedia umbrella. These are now hosted by the github.com/Portmidi/ project, where you can find the lastest versions of PortMidi, portsmf (Standard MIDI File support and more), and see github.com/rbdannenberg/scorealign for MIDI and/or Audio score alignment.

This is 'Great Little Radio Player'. It is a robust internet radio station streamer. It connects to web sites offering radio streaming and lets you play radio stations directly from that locations. We develop for Windows, Linux and MacOSX.

A universal control panel for Video for Linux Two (V4L2) devices.

MusE is a Qt based audio/midi sequencer with editing and recording capabilities for linux.

Enterprise telephony recording and retrieval system with web based user interface. The project currently supports recording voice from VoIP SIP, Cisco Skinny (aka SCCP), raw RTP and audio sound device and runs on multiple operating systems and database systems. It can record audio from most PBX and telephony systems such as BroadWorks, Metaswitch, Asterisk, FreeSwitch, OpenSIPS, Avaya, Nortel, Mitel, Siemens, Cisco Call Manager, Cosmocom, NEC, etc... It is amongst others being used in Call Centers and Contact Centers for Quality monitoring (QM) purposes.

KRadio is an Internet and/or AM/FM radio application for KDE Frameworks 5. It has support for V4L and V4L2 radio devices, internet radio, RDS, lirc remote control, MP3 and Ogg/Vorbis recording, TimeShift playing, alarms and much more. Try out!

ReZound aims to be a stable, open source, and graphical audio file editor primarily for but not limited to the GNU/Linux operating system.

Drumstick MIDI Monitor is a MIDI monitor for Linux using ALSA sequencer and Qt5 user interface.

Qsismixer is a frontend gui to control the alsa mixer for Focusrite's Scarlett 6i6 USB sound card on Linux. It builds against the Qt5 framework and the Linux kernel's ALSA API. This is third party software that is not created, distributed, or sanctioned in any way by Focusrite.

A live DJing system for the Jack sound server architecture. The system includes players for various audio file formats and playlist management.

The SpatGRIS is a plugin (Mac AU/VST and VST Windows format) designed to compose multichannel space. It allows the user to spatialize the sound in 2D (up to 16 speakers) or in 3D (up to 128 speakers) under a dome of speakers (with the ServerGRIS, available here on SourceForge). SpatGRIS is a fusion of two former plugins by the GRIS: OctoGRIS and ZirkOSC with a lot of new features. SpatGRIS has been developed by the Groupe de Recherche en Immersion Spatiale (GRIS) directed by Robert Normandeau and based at the Faculty of Music at Université de Montréal. SpatGRIS and ServerGRIS are still available here but they are not supported anymore. They have been replaced by the duo ControlGRIS/SpatGRIS3 also available at SourceFORGE (August 2021) Have a look at the them: https://sourceforge.net/projects/spatgris3/

CP-GFX is simply a Cross Platform Guitar Effect Processor. The aim of the project is to create an extensible and easy to use program which is easy to port to different platforms an operating systems.

A real-time recorder and compressor of audio and video input for the Windows platforms, using MFC, DirectX, FFMPEG and MPEG4IP. The program is capable of generating avi and mp4 files and streaming MPEG-4 audio and video via Apple Darwin Streaming Server.

NorQualizer is a smart audio equalizer/normalizer which corrects audio files to get them all similar in terms of bandwidth and volume level. Especially useful for preparing audio CDs with files from different sources.

Audacity Policial (aka Audacity Police) is an extension of Audacity sound editor that was created to help police and justice investigations based on phone call and environmental recordings, supporting audio analysis and transcription.

DarkIce is a live audio streamer. It records audio from an audio interface (e.g. sound card), encodes it and sends it to a streaming server. Darkice website is http://www.darkice.org/

Speech based User Interface Components Library for Java is a project to create Java controls and applications that can be used not only by literate people but also by non-literates. Speech and visual element with minimal text is used to create components

Playthrough records audio on one soundcard and immediately plays it back on another soundcard.

Red Dot Forever is an extremely simple program to record MIDI files. It has no advanced editing features -- but if you just want to RECORD, listen back to what you PLAYed, and finally SAVE your recording to disk, then Red Dot Forever is all you need.

The General Sound Manipulation Program (GSMP) aims to become for sound what The GIMP is for graphics. It features non-destructive editing, mutliple tracks, and real-time FX prehearing. It is very interactive (all the big work is done in background-threads