Apps similar to Space Glider include AntiMicroX, which is free and open source. Other options are X-Mouse Button Control, BetterTouchTool, Karabiner Elements and JoyToKey. You can choose from more than 10 Key Mapping Tools like Space Glider for Mac, Windows, Linux and Android.
Control desktop apps with gamepads on Linux and Windows using AntiMicroX. Map gamepad keys to keyboard, mouse, scripts, and executables with support for SDL2 configuration. Features include multiple mapping sets, auto profiles, macros, and compatibility with X.org and Wayland.
X-Mouse Button Control is a Windows application to remap your mouse buttons and expand the capabilities of your mouse!
United Kingdom
Customizes input devices on macOS by enabling gesture and button mapping, keyboard shortcut assignment, window snapping, automation, scripting, multi-device integration, and iOS app control. Features include touch bar, Apple Remote, and per-app profiles.
Germany
EU
Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X. In addition to simple key remapping, it has special remapping modes like Emacs-mode, SandS-mode (Space and Shift).
Japan
JoyToKey enables you to control any softwares (e.g. browsers, games on the web, Microsoft office applications or even Windows itself) by using your favorite windows joystick! Whenever you press joystick buttons and sticks, JoyToKey will convert the input into keyboard strokes...
Japan
Mos is a lightweight tool used to smooth scrolling and set scroll direction independently for your mouse on MacOS.
China
SmoothScroll will give your mouse wheel (Chrome, Word, OneNote, text editors, PDF, etc.) buttery smooth scrolling.
LinearMouse is a free and open-source utility for macOS which aims to improve the experience and functionality of third-party mice.
China
SteerMouse is a utility that lets you freely customize buttons, wheels and cursor speed. Both USB and Bluetooth mice are supported.
Japan
Joystick Mapper is an application that allows you to configure your joysticks or gamepads to simulate keyboard keys/mouse movement/mouse click/mouse scroll, so you can control any app or game using them, even the ones without built-in support.
Brazil
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.
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