WireMock : Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs t...
httpbin.org : A simple HTTP Request & Response Service.
gRPC : gRPC is a modern, open source remote procedure call (RPC) framework that can run anywhere. It enables client and server applications to communicate tr...
BlurHash : BlurHash is a compact representation of a placeholder for an image.
Maestro : Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast.
Write your first test in unde...
Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.