WireMock : Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs t...
Grafana k6 : Grafana k6 is an open-source, developer-friendly, and extensible load testing tool. k6 allows you to prevent performance issues and proactively improv...
Appwrite : Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps packaged as a set of Docker microservices. Appwrite abstracts the co...
httpbin.org : A simple HTTP Request & Response Service.
BlurHash : BlurHash is a compact representation of a placeholder for an image.
Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.