A free multi-track audio editor and recorder
Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The interface is translated into many languages. The version currently hosted here is 2.1.0 (March 2015). More recent versions than this are available from http://www.audacityteam.org/download/ . 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
TuxGuitar is a multitrack guitar tablature editor and player written in Java-SWT, It can open GuitarPro, PowerTab and TablEdit files.
An advanced drum machine with pattern-based programming
Hydrogen is an advanced drum machine for GNU/Linux, Windows and Mac OS X. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.
Audio Tag Editor
Kid3 audio tag editor can edit the tags of MP3, Ogg, FLAC, MPC & WMA files in an efficient way, convert between ID3v1 and ID3v2, set the tags of multiple files, generate tags from file names or vice versa and import from freedb, MusicBrainz and Disco
utility to split mp3, ogg vorbis and FLAC files without decoding
mp3splt is a free utility to split mp3, ogg vorbis and FLAC files without decoding, selecting begin/end time; if file is an album, you can get splitpoints automatically from internet or a local cue, cddb file. It also splits Mp3Wrap and AlbumWrap archives. Supports splitting and trimming by silence detection. For mp3 files, both ID3v1 and ID3v2 are supported using original tags or user defined tags.
Aria Maestosa is a midi sequencer/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering score, keyboard, guitar, drum and controller views.
Editors for the BOSS GT-3, 5, 6, 8, Pro, 10, 100, 001 Guitar Multi-Effects Processors, and the BOSS GT-6B,10B Bass Multi-Effects Processors. And for the Katana modelling Amplifier. This software can edit patches via midi on the BOSS Multi-Effects/AmpProcessor.
LilyPond sheet music text editor
Frescobaldi is a free and open source LilyPond sheet music text editor. Designed to be powerful yet lightweight and easy-to-use, Frescobaldi offers great functionality and a host of useful features such as music view with advanced two-way Point & Click, Midi capturing to enter music, a Snippet Manager and many more. Frescobaldi is named after Girolamo Frescobaldi (1583-1643), an Italian composer of keyboard music in the late Renaissance and early Baroque period.
a bit-perfect audio editor that doesn't modify samples needlessly
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.
Finds problems in MP3 files and helps the user to fix many of them using included tools. Looks at both the audio part (VBR info, quality, normalization) and the tags containing track information (ID3.) Also includes a tag editor and a file renamer.
HyperEngine-AV, Arboretum Systems' award winning video editing software is now free, complete with full source code. Users can capture, arrange, edit and process video, audio and text in a free-form, trackless document, to create movies and slide shows
An all in one video and music downloader and web browser
Videoder is a tool that allows you to search for any video you want using a personalized search engine that combs through different streaming video services like YouTube, Vimeo, and others, so that you can then download them directly to your Android device.
Play SoundTracker media on your computer.
PlayerPro is a music composer and sound editor ( SoundTracker ) for MOD S3M XM IT UMX . Uses XI, Quicktime or SoundFonts. Currently runs on MacOS and OSX; playback engines also available for Windows and BeOS. Upcoming version 6 will support ALSA (Linux).
A Java application that can fix/repair playlists by searching a media library for lost, missing, & renamed files. Supports absolute & relative references, UTF-8, UNC paths, and URLs. Removes duplicates, sorts and randomizes lists, and much more!
An Interactive Source Separation Editor
In applications such as audio denoising, music transcription, music remixing, and audio-based forensics, it is desirable to decompose a single-channel recording into its respective sources. To perform such tasks, we present a new software tool to perform source separation by painting on time-frequency visualizations of sound. Initial results shows the software can achieve state-of-the-art separation results compared to prior work.
A crossplatform music editor for creating Commodore 64 music. Uses reSID library by Dag Lem and supports alternatively HardSID & CatWeasel devices. Note: for bug reports and feature requests, email firstname.lastname@example.org directly.
AudioSlicer is a Cocoa GUI application that finds all silences in an audio file and allows you to split it into several smaller audio files and to name/tag them properly. For now only MP3 is supported but other formats may come in the future.
Grabs covers and Tags for audio tracks
Cover Retriever is a small, simple, easy to use application specially designed to help you find covers for compositions in "MP3/FLAC" formats and saving them onto disk or in audio file.
Sonic Visualiser is an application for inspecting and analysing the contents of music audio files. It combines powerful waveform and spectral visualisation tools with automated feature extraction plugins and annotation capabilities.
PiTiVi is a non-linear graphical audio/video editor for GStreamer. It's main goals are to provide a user-friendly interface for the non-linear editing of several different types of media using all the various elements made available through GStreamer Bu
Write audio cuesheets fast and efficient
Annoyed of writing your audio cuesheets via text editor? Here comes the solution! AudioCuesheetEditor helps you editing your audio cuesheet file. With AudioCuesheetEditor you can import textfiles, edit the imported data and afterwards export to a working audio cuesheet. There are also other export posibilities like csv or xml. Feel free to try it ;).
patch editor for the E-MU Proteus 2000 synthesizer family
A cross-platform patch editor for the E-MU Proteus 2000 sample-based synthesizer family. prodatum is free software.
JSynthLib is a universal MIDI synthesizer librarian / editor. The project aims to eventually support all existing synthesizers.
CECILIA is an environment for music and signal-processing that uses Csound as its underlying audio processing engine. One can think of CECILIA as a completely programmable sound-processing tool, with real-time interactive processing on soundfiles or live
An automatic sample librarian tool for musicians
Aural Probe is a sample librarian tool for computer musicians/audio engineers. Automatically and non-destructively index your disorganised sample collection from a list of folders into categories (kick, snare, hihats etc.) based on folder/filename wildcard matches. Easily audition samples, load/save favourites, and drag-and-drop straight into your sequencer.