WireMock : Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs t...
mountebank : mountebank is the first open source tool to provide cross-platform, multi-protocol test doubles over the wire. Simply point your application under tes...
DuckRails : DuckRails is a development tool.
Its main purpose is to allow developers to quickly mock API endpoints that for many possible reasons can't reach at a...
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...
Motty : Motty provides the simpler way to test your client services.
It is a web application which gives you ability to create your own custom responses.
So y...
Mockoon is the easiest and quickest way to design and run mock APIs. No remote deployment, no account required, free and open-source.