Razer Synapse is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is OpenRGB, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Razer Synapse and seven of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Razer Synapse are LinearMouse, SteerMouse, Bettermouse and USB Overdrive.
Open source RGB lighting control that doesn't depend on manufacturer software. For Windows, Linux, MacOS.
LinearMouse is a free and open-source utility for macOS which aims to improve the experience and functionality of third-party mice.
SteerMouse is a utility that lets you freely customize buttons, wheels and cursor speed. Both USB and Bluetooth mice are supported.
Razer Synapse doesn't work on Mac. SteerMouse allows changing the DPI and mouse acceleration.
It’s a macOS utility app that gives you smooth mouse scrolling, cursor speed control, and powerful mouse/keyboard bindings.
The USB Overdrive is a device driver for macOS that handles any USB or Bluetooth mouse, keyboard, trackball, joystick, gamepad or gaming device from any manufacturer and lets you configure it either globally or on a per-application, per-device basis.
It lets you do pretty much everything
Smoothmouse is experimental project to improve mouse & trackpad usability in OS X.
Modifies the Mac acceleration curve to better suit your style. Uses most of the code from MouseFix and wrapps it into a gui.
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Works with all my RGB hardware, and doesn't cause GSoD like Razer Synapse does. And does it all in a clean, easy to use app.