Mocklets - A HTTP-based API simulator to assist parallel development 🛠️
Postman Workspaces - Organize and speed up API development work
API List - A collective list of APIs. Build something.
Supabase - An open source Firebase alternative
Airbnb Official API - Develop your application for millions of travelers & hosts
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.