Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

• UpdatedSep 10, 2025
• Go

Camouflage is a backend mocking tool for HTTP, gRPC, Websockets and Thrift protocols, which helps you carry out your front end prototyping, unit testing, functional/performance testing in silos, in absence of one or more Microservices/APIs.

• UpdatedMay 19, 2025
• TypeScript

HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing

• UpdatedJun 16, 2025
• Go

Java binding for Hoverfly

• UpdatedOct 30, 2025
• Java

Dynamic API, S3 & Mail mocking for web, mobile & microservice development.

• UpdatedFeb 3, 2025
• Java

Mixing trafficparrot, mitm proxy and pact.io, without using all of them. Real mocks, Recording, Inspections, PACT and NULL infrastructure at once. Now abandoned for:https://github.com/kendarorg/the-protocol-master

• UpdatedFeb 22, 2025
• Java

Evolve your RESTful API's and Web Services

• UpdatedFeb 19, 2021
• Clojure

Your API mocking tool for OpenAPI and AsyncAPI using Go and JavaScript -https://mokapi.io

• UpdatedNov 6, 2025
• Go

A .Net Library for Hoverfly

• UpdatedDec 8, 2022
• C#

API mocks for development and testing

• UpdatedOct 29, 2023
• Ruby

A versatile Go tool for effortlessly generating mock HTTP APIs for all your needs.

• UpdatedOct 22, 2024
• Go

TPM-Proxy Is an infrastructure simulator to test effortlessy your app in minutes for MQTT, Redis, Amqp, MySQL, Postgres, Http, Https, DNS and MongoDB native protocols.

• UpdatedJul 11, 2025
• Java

Admin dashboard for Hoverfly

• UpdatedMar 13, 2025
• TypeScript

Install Hoverfly (https://docs.hoverfly.io) so that other GitHub Actions can use it easily (e.g. for testing)

• UpdatedOct 14, 2025
• Shell

API Simulator - configuration-driven tool for modeling and running of API simulations

• UpdatedAug 8, 2025
• Shell

A set of handy APIs to simulate various microservices behaviors.

• UpdatedMay 7, 2022
• C#

Efficient Fiddler script for mocking API responses. Tailored for developers to simulate APIs during testing, ensuring easy integration and usage.

• UpdatedMay 30, 2024

TPM-Proxy Real Life tests in: Python, Java, Go and .NetCore. Runnable on Docker

• UpdatedApr 23, 2025
• Java

Doglix, a JavaScript project, uses Webpack and CSS to craft a dog-themed platform inspired by Netflix. Vanilla JavaScript handles core logic, Webpack streamlines bundling, CSS controls design, BlueBillow AI enhances visuals, and a simulated API demonstrates async operations.

• UpdatedAug 25, 2023
• CSS

Mock server to help development of UI and Mobile apps

• UpdatedFeb 12, 2025
• HTML