Spectacle allows you to organize your windows without using a mouse.

Darwin/macOS emulation layer for Linux

LuLu is the free open-source macOS firewall

MacOS system extension that allows applications to pass audio to other applications. Soundflower works on macOS Catalina.

This application gives Mac users in enterprise environments control over the administration of their machines by elevating their access level to administrator privileges on macOS. Users can set a t…

Adds "modifier key + mouse drag" move and resize to OSX

GPG plugin for Apple Mail

SimplePlugin for MacOS 10.9 (Mail.app 7.0)