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Extensions for tree style and vertical tabs: https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/ https://addons.mozilla.org/en-US/firefox/addon/tree

by lopan 9y ago

Extensions for tree style and vertical tabs: https://addons.mozilla.org/en-US/firefox/addon/tree-style-tab/ https://addons.mozilla.org/en-US/firefox/addon/tree-style-ta... https://addons.mozilla.org/en-US/firefox/addon/vertical-tabs-simplified/ https://addons.mozilla.org/en-US/firefox/addon/vertical-tabs...