Mac OS X Softwares to Lossless Audio

Macsome Audio Recorder for Mac is a dedicated audio recording software designed to capture sound from any source on your macOS system. It allows users to record streaming audio, microphone input, and even system sounds, providing a versatile solution for various audio recording needs.

Spek is a lightweight, cross-platform acoustic spectrogram viewer primarily designed for audio analysis. It visually represents the frequency spectrum of audio files over time, providing insights into audio quality, artifacts, and mastering issues. Ideal for audiophiles and audio engineers looking for a simple yet effective tool.

fre:ac is a free audio converter and CD ripper supporting popular audio formats such as MP3, MP4, Ogg Vorbis, FLAC, AAC, and Bonk. It's available for Windows, macOS, Linux, and FreeBSD and is released under the GNU General Public License.

FLAC (Free Lossless Audio Codec) is an open-source audio compression format renowned for its ability to compress audio files without sacrificing any original audio data, making it ideal for archiving and high-fidelity playback.