Preact builder | Go Make Things
https://gomakethings.com/preact-builder/
You select the Preact stuff you want in your build, and whether you’d like to use ES modules or an IIFE. The tool spits out a file you can host locally and instructions on how to use it.
preactjs/signals: Manage state with style in every framework
https://github.com/preactjs/signals
Manage state with style in every framework