Mars Genesis - 10,000 unique parcels of Mars stored on the blockchain
Pramp for Product Managers - Practice product management mock interviews with other PMs
CryptoKitties - Breed and collect adorable creatures using Ethereum
The PM Interview - Practice PM Interview Questions (w/ timer).
CryptoAlpaca - Adopt unique alpaca on blockchain and shear wools everyday
Speechapp - The simplest way to practice for your next job interview