Tabs Outliner Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works. It allow organizing windows and tabs In hierarchies, annotate and comment... Freemium Mac OS X Windows Linux Chrome Crash recovery Tree view Bookmark organization Google Drive integration ... Session management Tabbed browsing Add a feature 42 Like
Tab Mix Plus Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed... Free Open Source Mac OS X Windows Linux Firefox Close right/left tabs Crash recovery Firefox extension Right-click tab menu ... Undo close tab list Add a feature 33 Like
Open Tabs Next to Current Always open new tabs to the right of the current one(which is not the same as setting browser.tabs.insertRelatedAfterCurrent to true). You can however get the default... Free Mac OS X Windows Linux Firefox Firefox extension Add a feature 3 Like
Tab Utilities Open Bookmarks/History/Homepage/URL/Search in new tabs, and more utilities for tabbed browsing, including open tab next, focus related/last visited tab... Free Open Source Mac OS X Windows Linux Waterfox Pale Moon ... Firefox Firefox extension Legacy Firefox Addon Add a feature 18 Like Discontinued The extension is no longer developed since 2014 and doesn't work on Firefox 57. The extension still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
Close Tab Button (Firefox Quantum add-on) Toolbar button to close the current tab. Free Self-Hosted Firefox Firefox extension Tabbed browsing Add a feature 1 Like
Undo Close Tab Replacement Replaces the "Undo Close Tab" menu item with the "Recently Closed Tabs" sub-menu. Free Open Source Self-Hosted Firefox Tabbed browsing Add a feature 1 Like
Tab Tally Displays how many tabs are open. The count includes tabs from all windows. Also indicates how many tabs actually have content loaded in them – for example, after... Free Open Source Self-Hosted Firefox Firefox extension Tabbed browsing Add a feature 0 Like