Perkbox - Hundreds of perks for employees
Buy For Life - Find the most durable and sustainable products in the world
Catch - Catch is the easiest way to use ShowRSS on OS X. It'll take care of everything.
Waste Not - Open-source database of sustainable suppliers
Perk Generator by Cherry - The 100+ employee benefits offered today. On shuffle mode.
Ethical Resources - Huge repository of ethical alternatives to mainstream stuff