Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Supabase - An open source Firebase alternative
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
neo4j - Meet Neo4j: The graph database platform powering today's mission-critical enterprise applications, including artificial intelligence, fraud detection and recommendations.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.