Plantyflix - Watch Netflix and plant trees
Simple Tab Groups - Create, modify and quick change tab groups. Features:
This Song Plants Trees - Stream this 30 sec song. Every 100 plays we plant a tree
Panorama View - Tab Groups with Panorama View. Lets you easily Group and manage Tabs visually, with tab hiding.
Wunder - Impact investing meets Capitalism.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.