X-Mouse Button Control - XMouse Button Control (XMBC) allows you to create application and window specific profiles.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
SteerMouse - Advanced driver for USB and Bluetooth mouses.
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
LinearMouse - LinearMouse is a free and open-source utility for macOS which aims to improve the experience and functionality of third-party mice.
PiPifier - PiPifier is a macOS 10.