Lossless Audio Checker - A utility to check whether an audio file is truly lossless or not.
Hum - Songwriting for iPhone
Spek - Spek helps to analyse your audio files by showing their spectrogram.
Tape It - App for songwriting & audio recording.
REW - REW is free room acoustics analysis software for measuring and analysing room and loudspeaker...
Songcraft.io - A platform for songwriters to write, organize & collaborate.