Quick Record - Voice memos audio recorder with iCloud sync
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Instant Audio Recorder - A full functional audio recorder with audio-tweet function. Tweets audio fragments up to 100Mb!!
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.
Skyro - A gorgeous voice recording app with embedded images
Reaper - Reaper is a focused digital audio workstation (DAW) developed by Cockos. In the creation of the software, the digital audio technology company intended to make audio editing accessible to the masses.