Alternatives to SysEx Librarian

Audio utility

Standalone client for sing-box, the universal proxy platform

Sound and audio controller

Open-source music notation software

Provides information about device hardware and software

Connect to almost anything with a serial port

View output from scripts in the menu bar

Display key code, unicode value and modifier keys state for any key combination

Terminal emulator and SSH client

Per-app audio controls

Display MIDI signals going in and out of your computer

Audio device utility