The Y Combinator Database - The definitive database of YC companies with all the metrics
eSolidar - Charity shops and online auctions to support great causes
The Speed of a Unicorn - See how long it took for startups to become unicorns 🦄
Charity Miles - With the usage of this application you will always able to earn a win-win fitness situation for your goal.
YC World - Explore Y Combinator companies by country
RoundUp App - Turning pocket change into impactful global change