Adobe Audition!

Audacity is free, open source software for recording and editing sounds. You can use Audacity to record live audio, convert tapes and records, edit sound files, change the speed or pitch of a recording and much more.

Ardour is a hard disk recorder and digital audio workstation application. It runs on GNU/Linux, Mac OS X, and Windows. Ardour's intention is to provide digital audio workstation software suitable for professional use.

REAPER is a complete digital audio production application for Windows and OS X, offering a full multitrack audio and MIDI recording, editing, processing, mixing and mastering toolset.

Sound Forge Pro software efficiently and reliably provides audio editors and producers complete control over all aspects of audio editing and mastering. Whether in the studio or field, it's the ultimate all-in-one production suite for professional audio recording and mastering, sound design, audio restoration, and Red Book CD creation.

Ocenaudio is a cross-platform, easy to use, fast and functional audio editor. It is the ideal software for people who need to edit and analyze audio files without complications. ocenaudio also has powerful features that will please more advanced users.

Logic Pro lets you translate musical inspiration into professional productions. A range of powerful, easy-to-use features puts sophisticated tools at your fingertips, and complete surround support lets you make incredible, immersive music.

GoldWave is the most reliable and complete audio editor available in its price range. It includes all of the common audio editing commands and effects, plus powerful built-in tools such as a batch processor/converter, a file merger, a CD reader, and audio restoration filters that are expensive add-ons in other programs. Comprehensive, well designed, and easy & fun to use, GoldWave offers the best value in audio editing software. With over 15 years of development and widespread usage, it has an excellent and unmatched history. »

Working with audio files and creating music at a professional level is definitely a job that requires specialized tools as well as a high degree of knowledge in the domain. Among the most powerful utilities that can be utilized for this you will find Pro Tools M-Powered.

WaveShop is a free, open-source audio editor for Windows XP/Vista/7. WaveShop is fast, lightweight, and 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. Waveshop's features include peak and RMS analysis, normalizing, fading, audio generation, and more, all with unlimited undo. »

WavePad is Music and Audio Editor for the Windows OS. WavePad allows you to create and edit voice, music and other sound recordings. You can duplicate sections of recordings and add echo, amplification, noise reduction and other effects.

Artists of all levels, from beginner to seasoned professional, will find Studio One a serious alternative to the intimidating, bloated offerings currently considered the standards. It's a groundbreaking music creation and production application for Mac OS X and Windows XP/Vista/7 that makes audio recording, MIDI sequencing, and audio mastering ridiculously simple right out of the box.

Qtractor is an Audio/MIDI multi-track sequencer application written in C++ with the Qt framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI, are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio.

Here is a non-exhaustive list of some of the main features of Audio Evolution 5:Completely new audio system called 'eXtream'. It features 32-bit floating point processing from begin to end with lots of headroom, flexible routing and is very friendly on cpu usage.MIDI sequencing: recording and playback to/from multiple MIDI sources and edit them directly on the time line!Real-time effects (VST and Audio Units)Virtual instrument support (VSTi and Audio Units) Unlimited number of tracksUnlimited number of groupsEvent automation (automate volume, panning, fx sends, fx parameters etc.)Route tracks to groups and groups to other groupsUnlimited effect sends and busses (add as many as you want)Unlimited insert effectsMulti-channel recording and playback up to 32-bits @ 192kHzTime stretchingComplete undo/redoWorks under both Windows and OSXRecord straight away with only one button or key pressRemote controlUse AE5 either with an outboard mixing desk or your sound card's monitoring facilities for zero-latency monitoring, or use the software input monitoring facilities if you don't have such equipment »