Audacity® is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

link >> Audacity

Recording, mixing, editing, and mastering — Adobe® Audition® 3 software is the all-in-one toolset for professional audio production.

Use Adobe Audition 3 to:

* Create your own music
* Record and mix a project
* Produce a radio spot
* Clean up audio for a movie
* Compile and edit a soundtrack

Whatever you do with audio, Adobe Audition 3 software helps you sound your best.

link >> Adobe Audition 3

SoX is a cross-platform (Windows, Linux, MacOS X, etc.) command line utility that can convert various formats of computer audio files in to other formats. It can also apply various effects to these sound files, and, as an added bonus, SoX can play and record audio files on most platforms.

link >> SoX

WaveSurfer is an Open Source tool for sound visualization and manipulation. It has been designed to suit both novice and advanced users. WaveSurfer has a simple and logical user interface that provides functionality in an intuitive way and which can be adapted to different tasks. It can be used as a stand-alone tool for a wide range of tasks in speech research and education. Typical applications are speech/sound analysis and sound annotation/transcription. WaveSurfer can also serve as a platform for more advanced/specialized applications. This is accomplished either through extending the WaveSurfer application with new custom plug-ins or by embedding WaveSurfer visualization components in other applications.

link >> WaveSurfer

Mp3Splt-project is a utility to split mp3 and ogg files selecting a begin and an end time position, without decoding. It's very useful to split large mp3/ogg to make smaller files or to split entire albums to obtain original tracks. If you want to split an album, you can select split points and filenames manually or you can get them automatically from CDDB (internet or a local file) or from .cue files. Supports also automatic silence split, that can be used also to adjust cddb/cue splitpoints. You can extract tracks from Mp3Wrap or AlbumWrap files in few seconds. For mp3 files, both ID3v1 & ID3v2 tags are supported. Mp3splt-project is split in 3 parts : libmp3splt, mp3splt and mp3splt-gtk.

link >> mp3splt

Make high-quality audio recordings from any external source. Cool Record Edit Pro can record any sound passing through any line of your sound card. For example, you can record sound being played back by an external program(including the playback of Internet broadcasts and Internet-telephony conversations), sound from a microphone, an external LP, cassette, CD/DVD player, AM/FM/Satellite radio, etc.

link >> CoolMedia

GoldWave is a top rated, professional digital audio editor. It contains so many great features, you will be amazed by all the things it can do:

* Play, edit, mix, and analyze audio
* Record audio from cassettes, vinyl records, radio, etc. through your computer's line-in
* Record dictation through a microphone or play dictation back at a slower speed for transcription (with foot pedal control)
* Record and edit audio for podcasting or telephone systems
* Apply special effects, such as fade, equalizer, doppler, mechanize, echo, reverse, flanger, and more
* Digitally remaster and restore old recordings with noise reduction and pop/click filters
* Convert files to/from different formats, such as iTunes, wav, wma, mp3, ogg, aiff, au, vox and even raw binary data
* Make perfect digital copies of audio CD tracks using the CD Reader tool and save them in wav, wma, mp3, or ogg files
* Edit music for dance programs, figure skating, gymnastics
* Analyze human speech, bird song, whale song
* Demonstrate digital signal processing with filter effects and the Expression Evaluator tool
* View a variety of useful real-time visuals and level meters
* Expand functionality with plug-ins
* Command line processing

link >> GoldWave