Open Source BSD Audio Editing 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

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.

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

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.

Editors for the BOSS GT-1, 3, 5, 6, 8, Pro, 10, 100, 001 Guitar Multi-Effects Processors, and the BOSS GT-1B,6B,10B Bass Multi-Effects Processors. And for the Katana Amplifier. and various Boss and Roland guitar synths. This software can visually edit parameters via Midi,USB, or Bluetooth(via external device on some units) on the Multi-Effects/Amp/Synth Processor.

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. Git repository: https://github.com/ariamaestosa/ariamaestosa

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.

EasyABC allows the user to create, edit, view, play, convert music written in the ABC music notation language. The program was written in Python 2.7 and WxPython by Nils Liberg and runs on Windows, OSX, and Linux. Nils Liberg is no longer supporting this open source package, however I have volunteered to continue its support and development.

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).

Qoobar - Audio Tagger for Classical Music. It can - Edit ID3v2.4, Xiph.org, APE, ASF tags. - Rename files and fill in tags. - Work with groups of files. - Insert chars with diacritics.

Snd is a sound editor.

Frinika is a free, complete music workstation software for Linux, Windows, Mac OSX and other operating systems running Java. It features sequencer, soft-synths, realtime effects and audio recording.

MidiQuickFix allows you to directly edit the events in a Midi file. It is intended to make it easy to find and fix problems, such as setting volume and pan values for a track, without the need for a complex Midi sequencing program.

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!

Classical music extensions for the ABC music notation language.

Speedy MIDI is an editor designed for choirs and singers to quickly generate MIDI files for rehearsal.

The 'Automatic Cover Tool' software will process your MP3, OGG, WMA, M4A and FLAC files collection and download missed cover images. Album art images are downloaded and saved as image file and/or as image tag in every media file in album.

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

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.

A Linux CLI tool for converting multiple audio types from one format to another. It supports the following audio formats: 3G2, 3GP, 8SVX, AAC, AC3, ADTS, AIFF, AL, AMB, AMR, APE, AU, AVR, BONK, CAF, CDR, CVU, DAT, DTS, DVMS, F32, F64, FAP, FLA, FLAC, FSSD, GSRT, HCOM, IMA, IRCAM, LA, MAT, AUD, MAT4, MAT5, M4A, M4R, MP2, MP3, MP4, MP4A, MPC, MPP, NIST, OFF, OFR, OFS, OPUS, OGA,OGG, PAF, PRC, PVF, RA, RAM, RAW, RF64, SD2, SF, SHN, SMP, SND,SOU, SPX, SRN, TAK, TTA, TXW, VOC, VMS, VQF, W64, WAV, WMA, and WV. It can also extract audio from the following video extensions: RM, RV, ASF, DivX, MPG, MKV, MPEG, AVI, MOV, OGM, OGV, QT, VCD, SVCD, M4V, NSV, NUV, PSP, SMK, VOB, FLV, WEBM and WMV. Parallel Processing, a CD ripping function with CDDB support, batch conversion, tag preservation for most supported formats, independent tag reading & writing, service menus for KDE Dolphin/Konqueror, Gnome Nautilus script, and action scripts for Nemo/Thunar are also provided.

MPC Maid ("MM") is a software editor for the Akai MPC 500, MPC 1000, and MPC 2500. It is Mac, PC, and Linux-compliant and makes the edition of MPC programs files easy. It also features a semi-automatic slicing tool to chop loops into slices.

Ultratools is a suite of freeware for ultrastar songs. -The first freeware is Ultratools - Editor a really great editor, with a new song creation tool.

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.

Digital audio restoration of CD quality audio wavefiles. Dehiss, declick and decrackle in a GUI environment.

JSynthLib is a universal MIDI synthesizer librarian / editor. The project aims to eventually support all existing synthesizers.