The Y Combinator Database - The definitive database of YC companies with all the metrics
Dollar A Day - Automatically donate $1 a day to featured nonprofits.
The Speed of a Unicorn - See how long it took for startups to become unicorns ๐ฆ
Bourgad - Each new tab becomes a donation โจ๐
YC World - Explore Y Combinator companies by country
TreeClicks - Plant trees for free by shopping online ๐ฒ๐