Workona - A better way to work in the browser.
Toby - Better Than Bookmarks
Session Buddy - Manage Your Browser Sessions
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Tab Utilities - Tab Utilities is an ultimate tab solution for all kind of users who want to manage their tab, create multiple session and search for new tabs, etc.
One Tab Group - One Tab Group is a Chrome extension alternative to OneTab/Session Buddy, that allows you to manage your tabs & tab groups in one place. One click to aggregate all tabs & tab groups into one session.