AudioEdit Deluxe   
http://www.mystikmedia.com

AudioEdit Deluxe is a visual audio editor and converter software solution, which supports many advanced and powerful operations with audio data. With AudioEdit Deluxe you can perform two-way conversions among CD, MP3, MP2, WAV, WMA, and OGG; open, create, and save audio files in any of the supported formats (can also save any portion of a loaded file to disk as a new file); display audio data waveform (Zoom Full, Zoom In, Zoom Out, Zoom Vertical); play audio files or any portion of the files (Play, Pause, Stop); record audio data from a microphone or any other available input device; edit audio files visually (Cut, Copy, Delete Selection, Crop, Trim, Paste, Paste From File, Mix, Mix From File); apply various effects (Amplify, Compressor, Delay, Equalize, Fade In and Fade Out, Flanger, Invert, Normalize, Phaser, Reverb, Reverse, Shrink, Silence, Stretch, Vibrato); apply different filters to any selected portion of audio files (Band Pass Filter, High Pass Filter, High Shelf Filter, Low Pass Filter, Low Shelf Filter, Notch Filter); insert noise or silence into audio files; Insert information into audio files (Album, Artist, Copyright, Genre, Title, Year); complete, multi-level undo and redo capabilities; advanced, burn-proof audio CD recording; and much more. The following audio formats are supported by the audio editing and playback module: WAV PCM; Compressed WAV (ADPCM, GSM, DSP, A-LAW, U-LAW, ALF2, and more); MP3 (MPEG Layer-3); MP2 (MPEG Layer-2); OGG Vorbis; VOX (Dialogic ADPCM); WMA (Windows Media Audio); AU (Unix Audio), AIFF (Apple Audio), RAW (PCM, A-LAW, U-LAW); CDA (Audio CD Tracks).

Wave Wash and Polish   
http://www.baxtrom.com

Wave Wash & Polish is a batch filter designed to remove stationary and transient noise ('hiss' and 'pops') from music and other audio data stored in standard 16/8 bit sterero/mono wave files (sorry, no direct support for mp3 files). You can select a bunch of files, click on a button and go for a walk with your dog while WWP does the dirtywork. On a 2 GHz computer, WWP will process approximately 3-4 minutes of CD-quality data per minute. WWP is customizable and features a variety of different skins, for example Walnut.

iZotope Vinyl for Winamp 2   
http://www.izotope.com

iZotope Vinyl for Winamp is a free DSP plug-in that uses advanced filtering, modeling and resampling to create authentic 'vinyl' simulation, as if the audio was a record being played on a record player.

COMMUNICATE! DELUXE   
http://www.01com.com

Turn your PC into a powerful multi-tasking communications manager. COMMUNICATE! DELUXE provides multi-line support for voice and fax messaging as well as providing video motion detection and notification, video/audio e-mail, a comprehensive message center that allows you to create a customer specific communications history and remote administration. With support for up to three telephone lines, using voice/fax capable modems, you can easily set up your own professional telephone answering system including multiple mail-boxes and the ability to simultaneously send an receive fax or voice messages. Manage and access all your communications from one convenient location, your PC. Get instant notification on your cell phone, pager or PDA, whenever you receive a new fax, voice message or e-mail. Automatically forward your faxes to another machine or have them sent as an e-mail wherever you are. You can even listen to your e-mail. The text-to-speech feature allows you to call in from any phone and hear your e-mail messages. COMMUNICATE! gives you everything you need to communicate with the world. The easy-to-use, intuitive interface and comprehensive contact manager takes the hassle out of organizing voice,fax and e-mail messages and actually reduces paperwork so you'll have more time to concentrate on running your business.

COMMMUNICATE! DELUXE   
http://www.01com.com

Turn your PC into a powerful multi-tasking communications manager. COMMUNICATE! DELUXE provides multi-line support for voice and fax messaging as well as providing video motion detection and notification, video/audio e-mail, a comprehensive message center that allows you to create a customer specific communications history and remote administration. With support for up to three telephone lines, using voice/fax capable modems, you can easily set up your own professional telephone answering system including multiple mail-boxes and the ability to simultaneously send an receive fax or voice messages. Manage and access all your communications from one convenient location, your PC. Get instant notification on your cell phone, pager or PDA, whenever you receive a new fax, voice message or e-mail. Automatically forward your faxes to another machine or have them sent as an e-mail wherever you are. You can even listen to your e-mail. The text-to-speech feature allows you to call in from any phone and hear your e-mail messages. COMMUNICATE! gives you everything you need to communicate with the world. The easy-to-use, intuitive interface and comprehensive contact manager takes the hassle out of organizing voice,fax and e-mail messages and actually reduces paperwork so you'll have more time to concentrate on running your business.