emux - "3mux is a terminal multiplexer with out-of-the-box support for search, mouse-controlled scrollback, and i3-like keybindings. Imagine tmux with a smaller learning curve and more sane defaults."
BlockBlock - Objective See's utility for monitoring persistent software installs on MacOS, now as open source.
magicpak - "magicpak enables you to build minimal docker images without any bothersome preparation such as static linking."