Mindspace - Free learning platform with quick and simple crash courses.
Upstash - Upstash provides Serverless Redis and Kafka as a service.
Learn Anything - Search Interactive Maps to Learn Anything
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Traverse - Barcoding solution for small to midsize businesses
PlanetScale - The last database you'll ever need. Go from idea to IPO.