There is also Unity Learn's Create with Code that also has a teacher trainingthat goes with it. BitsBox is also great, my kids started out with it, and then moved onto Create With Code. Source: over 1 year ago

Maybe try Bitsbox? It teaches Javascript by making games. They can share the games with their friends, and it also leaves a lot of room for them to modify the games using what they learned. It teaches a lot of programming skills that are useful later. There is also Google's CS First, that's free and has a lot of different projects. It even has themes like games, sports, arts and stories so it might appeal to more... Source: almost 3 years ago

Some don't even feature on https://ycombinator.com/companies. - Source: Hacker News / almost 2 years ago

Hey, This is Adrian, a full-stack dev and co-founder at basetool.io. I always wanted a quick way to know if the website I was on belongs to a company that graduated from Y Combinator. So I would always go to https://ycombinator.com/companies and search for that website. I created this extension in about two days that turns the Y icon from gray to orange if the site belongs to a YC company. When you click on it, it... - Source: Hacker News / over 2 years ago