SaaS Starter Kit - A starter template with Docker, Kubernetes, CI/CD and more

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.

Nextacular - An open-source starter kit that will help you build full-stack multi-tenant SaaS platforms efficiently and help you focus on developing your core SaaS features.

Speechyard - Learn English online through movies!

UseGravity.App - Build a Node.js & React app at warp speed with a SaaS boilerplate

Lingvo TV - Learn languages while watching movies on Netflix.