Smoothmouse is described as 'is experimental project to improve mouse & trackpad usability in OS X' and is an app in the OS & Utilities category. There are more than 10 alternatives to Smoothmouse for Mac, Windows, Linux and Flatpak. The best alternative is X-Mouse Button Control, which is free. Other great apps like Smoothmouse are SteerMouse (Paid), MOS (Free, Open Source), Key Manager (Paid) and Smooze (Paid).
SteerMouse is a utility that lets you freely customize buttons, wheels and cursor speed. Both USB and Bluetooth mice are supported. Advanced driver for USB and Bluetooth mouses. Great for tweaking the acceleration curve and other annoyances.
Smooze animates your scroll and adds functionality to your non-Apple mouse (scroll-wheel mouse). Disable scroll acceleration in macOS, Save time by attaching mouse buttons to actions, Grab Scroll, Auto Scroll, Gestures and more.
The USB Overdrive is a device driver for Mac OS X that handles any USB mouse / trackball / joystick / gamepad / media keyboard and any Bluetooth mouse from any manufacturer and lets you configure them either globally or on a per-application, per-device basis.
Switch between Spaces, use Windows-style Back and Forward, and more - right from your mouse. Also features a refined Smooth-Scrolling algorithm that strikes a perfect balance between fluidity and control. Help make Mac Mouse Fix even better on GitHub:...
Piper is a graphical user interface to configure gaming mice. Configuration options include changing the resolution (DPI) of the mouse, adding and removing profiles, setting LED colors and changing button behaviors.
HydraMouse enables you to remap mouse buttons and to assign various actions to them. It is the only program in the world which can work not only with mice with up to 5 buttons, but also with many models of multi-button mice of various manufacturers (Microsoft, Logitech, Genius...