Dabble Writer - Writing software for novelists.
Upstash - Upstash provides Serverless Redis and Kafka as a service.
SHAXPIR - A modern cloud workspace for fiction writing & worldbuilding
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Manuskript - Open-source tool for writers.
PlanetScale - The last database you'll ever need. Go from idea to IPO.