smocker-dev / smocker

Smocker is a simple and efficient HTTP mock server and proxy

httptoolkit / mockttp

Powerful friendly HTTP mock server & proxy library

gemini-testing / testplane

Testplane (ex-hermione) browser test runner based on mocha and wdio

apideck-libraries / portman

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

willlzl / Perpetual

Rebuild a local twin of your app on every push, replay approved business journeys, and report a GitHub check.

axium-lab / llm-mock

Self-hosted OpenAI-compatible mock server — test your LLM integrations without exposing your API key. By Axium.