ThatOneThing - Remember that one programming concept you forgot

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Programming Hero - Personalized, fun, and interactive way to learn programming

Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.

Grammarly - Clear, effective, mistake-free writing everywhere you type.

Unbounce - Unbounce lets marketers and businesses build, publish and test landing pages without IT or software. AI enhanved A/B testing and lead gen make it a powerful marketing tool.