ADSR Sample Manager - A smart sample management tool for your DAW
Boson Audio Editor - Boson is an audio editor/recorder for Mac OS X.
Soundly - Functional music for better sleep, focus and relaxation
TAPESTREA - TAPESTREA is a unified framework for interactively analyzing, transforming, and synthesizing complex sounds.
Resonic Player - Resonic is the planet's fastest audio and music player, browser, and sample manager, built around a big waveform view and a frequency analyzer.
Colibri Lossless - A native audio player for macOS built from scratch using the award-winning BASS audio engine.