Wahwah

Rakarrack is a stereo digital effects processor for Linux with jack support. Standard line-up of nearly 40 effects modules include Equalizers, Reverbs, Echo, Flange, Chorus, Distortions, WahWah, Vocoder, and other filters and processing modules. Features . Tuner . Midi Converter . Presets... Platforms: *nix

Audacity is free audio editor. You can record, play sounds, import and export WAV, AIFF and mp3 files, and more.Use it to edit your sounds using cut, copy and paste (with unlimited Undo`s), mix tracks or add effects to your recordings.It also has its own amplifier, an adjustable spectogram mode... Platforms: Windows

Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can use Audacity to: * Record live audio. * Convert tapes and records into digital recordings or CDs. * Edit Ogg Vorbis, MP3, WAV or AIFF sound files. * Cut, copy,... Platforms: Windows

Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can use Audacity to: * Record live audio. * Convert tapes and records into digital recordings or CDs. * Edit Ogg Vorbis, MP3, WAV or AIFF sound files. * Cut, copy,... Platforms: Mac

We're big on analog. We think that sound is important. So we designed FilterFreak to be fat. To be warm. To be, well, analog. All the reviews and feedback say we got it. We also designed it to do all the things you do with filters. From funky envelope followers like Mutron, to classic synth style... Platforms: Mac