A dialog box will appear saying the app is from an unidentified developer. Click again to authorize it.
Connects to both eD2k and Kad networks for a wider range of available files.
For users who prefer package managers, you can install aMule using MacPorts : Open Terminal. Run: sudo port install amule .
Press . This clears the "quarantine" flag and should allow the app to open. Advanced Installation via MacPorts
You can also find the newer universal version (2.3.3) on SourceForge which is designed for newer macOS versions but remains compatible with Catalina. How to Install aMule on macOS Catalina
The most reliable source for a Catalina-compatible build is the official repository. Official Link: aMule 2.3.2 for macOS 10.15 Catalina