Session Buddy - Manage Your Browser Sessions
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Tab Session Manager - Save and restore the state of windows and tabs.
Bulk URL Tool - With the Bulk URL Tool web application you can open up to 200 URLs all at once effortlessly.
Session Box - Using websites with multiple accounts at the same time is made easy.
Tablerone - Browser extension for saving, organising, and exporting tabs. Save multiple tabs with one click. Get more done with a clean browser.