Open-source projects categorized as mock-server | Edit details
Related topics: #Testing #Mock #Mocking #API #REST

Top 23 mock-server Open-Source Projects

  • GitHub repo Karate

    Test Automation Made Simple

    Project mention: Testing your GraphQL API with Karate DSL | | 2021-04-26

    Just posted this tutorial for unit testing a GraphQL API with Karate DSL ( - if you're interested in the code for the demo you can check that out here as well (

  • GitHub repo OHHTTPStubs

    Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!

  • Syncfusion

    Embedded BI Dashboards- implement easily, customize with JavaScript SDK.. Save months of development time with Bold BI by Syncfusion. Add custom data sources. Tweak every detail. We help you customize every aspect. The embedded product will appear as your own.

  • GitHub repo WireMock

    A tool for mocking HTTP services

  • GitHub repo MockServer

    MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).

  • GitHub repo mockoon

    Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

    Project mention: Any opinion about Comodo vs other CA for code signing certificates? | | 2021-07-08

    (my open-source project:

  • GitHub repo prism

    Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations. (by stoplightio)

    Project mention: Best toolset/workflow for prototyping and iterating an API? | | 2021-05-18

    Stoplight's prism allows you to run the mock server yourself.

  • GitHub repo kubernetes-client

    Java client for Kubernetes & OpenShift

    Project mention: Canceling a Tekton TaskRun with Fabric8 Kubernetes Java Client | | 2021-05-12

    As the name says, this article is all about how to Cancel TaskRuns in Tekton using the Fabric8 Tekton client. You can see the latest example code here

  • Scout APM

    Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

  • GitHub repo atmo

    :heavy_check_mark: Mock data for your prototypes and demos. Remote deployments to Zeit now. (by Raathigesh)

  • GitHub repo WireMock.Net

    WireMock.Net is a flexible library for stubbing and mocking web HTTP responses using request matching and response templating. Based on the functionality from, but extended with more functionality.

    Project mention: The only way to go fast, is to go well (TDD from Factorio) | | 2021-06-19

    Use WireMock to mock responses from the endpoint that FooClient interacts with. This lets you exercise all of the code contained in FooClient in a realistic way, without using mocks, but still get the different responses you expect.

  • GitHub repo drakov

    Mock Server that implements the API Blueprint specification

    Project mention: Documentando minha API #2 — Criando mock server com Drakov | | 2021-04-14
  • GitHub repo mockttp

    Powerful friendly HTTP mock server & proxy

    Project mention: Mitmproxy 7.0 | | 2021-07-16

    I'd highly recommend for that explorative GUI phase. I found it recently and the rule configuration, UI and interception setup is significantly better than Charles/Fiddler/Proxyman.

  • GitHub repo mocker-api

    mocker-api that creates mocks for REST APIs. It will be helpful when you try to test your application without the actual REST API server.

  • GitHub repo killgrave

    Simple way to generate mock servers written in Go

    Project mention: What Have You Been Working On Recently February | | 2021-02-26
  • GitHub repo Weld

    Full fake REST API generator written with Rust

  • GitHub repo Mockaco

    🐵 HTTP mock server, useful to stub services and simulate dynamic API responses, leveraging ASP.NET Core features, built-in fake data generation and pure C# scripting

  • GitHub repo cli

    Mockoon's official CLI. Deploy your mock APIs anywhere. (by mockoon)

    Project mention: We created a Docker image for the open-source API mocking tool, Mockoon. First time we worked we Docker. Let us know what you think! | | 2021-04-19

    It was our first-time working with Docker (not for the awesome community member obviously 😅) and we learned a lot. What was the most interesting was to automate the image publication on Docker Hub. You can see our GitHub Action here.

  • GitHub repo mockintosh

    Mocks for microservice environments

    Project mention: Mockintosh: Mocks for microservice environments | | 2021-05-18

    Mockintosh is a mock server generator that's capable to generate RESTful APIs or communicate with message queues to mimick asyncronous tasks. Such that it enables software development teams to work independently while building and maintaining a complicated microservice architecture.

  • GitHub repo pactum

    REST API Testing Tool for all levels in a Test Pyramid

    Project mention: API Testing Tools in JavaScript | | 2021-06-06

    View on GitHub

  • GitHub repo ruby-dns-mock

    💎 Ruby DNS mock. Mimic any DNS records for your test environment

  • GitHub repo gmocker

    Create your own blazing fast mock server with just a JSON file!

    Project mention: Create your own blazing fast mock server with just a JSON file! | | 2021-06-08
  • GitHub repo open-api-mocker

    A mock server based in OpenAPI Specification

    Project mention: How to handle UI design contributions for OSS? | | 2021-04-28

    I've been maintaining this open source project for some time now, and I wanted to make an upgrade to it's aesthetics (give it a logo, a docs site and a fancy readme).

  • GitHub repo mockitout

    A language agnostic HTTP mock server for quick stub testing

  • GitHub repo moql

    Mock GraphQL server for fast reliable integration tests.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-07-16.


What are some of the best open-source mock-server projects? This list will help you:

Project Stars
1 Karate 5,045
2 OHHTTPStubs 4,763
3 WireMock 4,541
4 MockServer 3,298
5 mockoon 2,994
6 prism 2,174
7 kubernetes-client 1,974
8 atmo 807
9 WireMock.Net 550
10 drakov 470
11 mockttp 417
12 mocker-api 389
13 killgrave 217
14 Weld 156
15 Mockaco 123
16 cli 95
17 mockintosh 59
18 pactum 59
19 ruby-dns-mock 39
20 gmocker 38
21 open-api-mocker 28
22 mockitout 9
23 moql 4
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