There are 2 repositories under web-browsers topic.
🕸A list of awesome web browsers for desktop, mobile, terminals, text editors etc
A website for crash all moderns browsers !
A collection of user agents in CSV, Excel and plain text file formats.
🌐️🪣️🏛️ Documentation regarding the @seanpm2001 Web Browser collective.
Unofficial Source code
What is an Incognito Window/Private Browsing and how do I use it?
Project of custom Web Browser for Windows