Vimium - The Hacker's Browser.
Vimac - Like Vimium but for macOS.
Vieb - Browse the web with Vim-bindings
hunt-n-peck - Simple vimium/vimperator style navigation for Windows applications based on the UI Automation...
cVim - An extension adding Vim-like bindings to Google Chrome.
4vbc - Vim bindings for Chrome. This is a fork of cVim.