Problem solved: https://linearmouse.app/ Approximately the same features as SteerMouse but free. I've voluntarily donated to the dev, though. - Source: Hacker News / 16 days ago

I haven't been using it for this purpose, but Linear Mouse should be able to do the trick: https://linearmouse.app/. - Source: Hacker News / 4 months ago

To add to the mouse/input apps mentioned, I'll add https://github.com/thealpa/SaneSideButtons and https://linearmouse.app/, the "avoid installing steelseriesengine or logi options" stack. Source: 6 months ago

> Maybe another commenter can recommend something free https://linearmouse.app/. - Source: Hacker News / 6 months ago

This helped me out: https://linearmouse.app/. - Source: Hacker News / 8 months ago

That sounds exactly like Unclutter. https://unclutterapp.com/. Source: about 1 year ago

Unclutter. Unclutter is a simple piece of software that suits its name. This Mac app is accessible with a quick swipe from the top of your screen and functions as a convenient place for storing quick notes, recent files, and clipboard information. Source: about 1 year ago

Unclutter for short notes, activated by moving the cursor to the top of the screen. Source: over 1 year ago

Let me suggest Unclutter for Productivity section. Source: almost 2 years ago

Unclutter? The Clipboard panel is pretty basic, but works with hex colors. Source: almost 2 years ago