Vimmatic от Shin'ya UEOKA

This extension enables you to navigate pages, switch tabs, and open a site you want with your keyboard. The extension provides a Vim-like experience on your browser and a new choice for Vim users. You can configure keymaps and browse pages with your preferences.

Vimmatic provides the following features:
Scrolling a page and managing tabs with keyboard shortcuts
Also, they are available by a command
Opening a page from bookmarks and histories.
Custom search engined
Setting keymaps by a JSON-format configuration.

For usage and more detailed information, check out our documentation:
https://ueokande.github.io/vimmatic/

The development of Vimmatic is publically available as open-source software. Feel free to contact us at github.com:
https://github.com/ueokande/vimmatic