OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
TreeCard - The wooden debit card that plants tree powered by Ecosia
Session Buddy - Manage Your Browser Sessions
TreeMapper - TreeMapper is an easy-to-use tool for standardized on-site data collection on forest restoration.
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Treeapp - Plant a tree for free, every day, in less than a minute