This has the first part (window tabs as columns plus drag&drop management): https://chrome.google.com/webstore/detail/tab-organizer/gbaokejhnafeofbniplkljehipce

This has the first part (window tabs as columns plus drag&drop management): https://chrome.google.com/webstore/detail/tab-organizer/gbaokejhnafeofbniplkljehipcekkbh?hl=en https://chrome.google.com/webstore/detail/tab-organizer/gbao...