Install (free). It has a similar GUI and can even import some Remouse recordings if you convert the logic manually.
: A simple, free utility to record and automate mouse clicks and keystrokes. Mouse Recorder Premium
If you are on Windows 10 or 11, you may already have access to PowerAutomate. It is a robust, "low-code" automation tool from Microsoft that handles complex tasks far beyond simple mouse clicks.
: Software obtained through unauthorized means may be modified or bundled with malware, posing significant security risks to users.
If you just want a powerful macro recorder without the headache of hunting for keys, these three tools are and arguably more powerful than ReMouse: TinyTask : The Vibe: Ultra-minimalist.