Audio

Ableton Live
Audio editing program especially for music.

Acoustica 
Audio editing program. Basic version is free and includes MP4 and AAC import and export filters.

Audacity*
Audio editing software. Free and open source.

Audioboo
Think of it as YouTube for audio.

Adobe Audition
Audio editing program.  Formerly Cool Edit Pro.  $349 but it can be purchased as part of Creative Suite.

Avid Pro Tools 
An industry-standard, studio-grade audio editing tool. $699 for the base version.

BlogTalkRadio
Using phones, you can interview someone and it both streams and records downloadable MP3 of the interview.

Bobler
App for creating shareable audio packages of up to two minutes in length. Ad text, images and geo-tags. Use the app to search for audio uploads from a specific location. Not embeddable (as is audio uploaded on Soundcloud or Audioboo).  Watch a video explanation here.

DivShare
Post your audio here link to it from your blog or embed it into your blog.

Dragon Dictation
Voice to text app for iOS. Have to finish dictation before seeing the text. Free.

DropVox
Records audio and sends it directly to your Dropbox account.

Evernote*
Access notes on any computer, tablet or phone. Search function lets you find a note in either text or audio format. Free for iOS and Android.

Final Cut Pro
Video editing program. But the audio can be ripped from it.

GarageBand
Only 5 minutes of audio can be edited

Google Voice
Your own phone number (free).

Hokusai
iOS udio editing app for interviews, podcasts, or voiceovers. Can import clips from other applications and export directly to Dropbox and iTunes.

iPhone Mic Cable
Allows connecting a standard microphone with XLR connector to an iPhone or other compatible device for quality recording. $48.99.

iRig Recorder
Make quality recordings on apple products.

Keep Vid
Post your audio here and then link to it from your blog or embed it into your blog.

Liberted Syndication
For creating podcasts. Small monthly fee.

Logic Pro
Audio editing program, especially music.

Miro
Post your audio here and then link to it from your blog or embed it into your blog.

MixCraft
Audio editing program, especially music. $75.

Mp3DirectCut
Audio editing program.

MP3Gain 
Audio editing program designed to normalise MP3 files so that they all have the same loudness in a more effective way than other programs.

MP3 Quailty Modifier
Audio editing program to adjust the quality of your MP3 files so you can save disk space.

Music Editor Free
Free audio editing program. You'll need a converter since it can only save WAV files.

Ocenaudio
Simple audio editor made for users who do not need all the options offered by Audacity free.

Podomatic
Podcasting made easy.

Reaper 
Audio Editing program. $225 full commercial license. $60 for discounted license.

RecordiaPro
Record your incoming and outgoing phone conversations on any phone without needing equipment.  Works for interviews.

SlideShare
Popular resentation tool owned by LinkedIn. Use documents, PDFs and video to creat webinars, audio presentations, for online lectures etc. Solid analytics for free. Watch a slide show about SlideShare here.

SoundCite
A project of Northwestern University's Knight Lab, it lets users embed audio into posts. So, for instance if you write "..thick, one-note guitar riffs shuffle and stomp with a heavy beat" you can make it so that when someone clicks on "thick, one-note guitar riffs" they will hear a short example. Watch a video explanation here.

SoundCloud*
Post your audio here and then link to it from your blog or embed it into your blog. Limited space free, more for a fee.

SoundForge
Free. Audio editing program. Especially for music.

SoundGecko
Convert text story into an MP3 audio file.

SoundSlides*
Creates audio slideshows. Sample.

TalkShoe
For call-in podcasts. Samples.

TinyVox
Allows users to record, store, listen and share MP3 audio files in social media. Can be used to record interviews as well.

TwistedWave
Audio editing program (Mac only). $80.

WavePad 
Free audio editing program.

WaveShop
Free audio editing program.  Bit-perfect, minimizing the loss of quality by altering files only when absolutely necessary.

Wavosaur
Free Audio editing program.

Zamzar 
Video and audio file converter.