API List - A collective list of APIs. Build something.
Mocklets - A HTTP-based API simulator to assist parallel development 🛠️
Spinneret - Record and Automate Anything on the Web
PublicAPIs - Explore the largest API directory in the galaxy
Yappes - Build, manage and distribute your APIs in one place 🛠️
Airbnb Official API - Develop your application for millions of travelers & hosts