Top 12 Open-Source Alternatives to Mocky.io

Product categories

API API Tools APIs Automated Testing Backend As A Service Business Workflows Code Analysis Code Coverage Data Integration Developer Tools HTTP Proxies Productivity

Summary

The top open-source alternatives to Mocky.io are Postman, Mockoon, and Insomnia REST. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Postman Landing Page
1

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#APIs #API Tools #Developer Tools 27 social mentions
Mockoon Landing Page
2

Mockoon

Mock servers in seconds
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 26 social mentions
Insomnia REST Landing Page
3

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
WireMock Landing Page
4

WireMock

WireMock - a web service test double for all occasions.
Pricing:
- Open Source
#Developer Tools #API Tools #APIs 14 social mentions
MockServer Landing Page
5

MockServer

Easy mocking of any system you integrate with via HTTP or HTTPS.
Pricing:
- Open Source
#Developer Tools #API Tools #APIs 3 social mentions
Webhook.site Landing Page
6

Webhook.site

Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Pricing:
- Open Source
- Freemium
- $14.0 / Monthly
#Developer Tools #APIs #Sales Workflow 68 social mentions
Postwoman Landing Page
7

Postwoman

An online, open source API request builder
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 5 social mentions
Supabase Landing Page
8

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Developer Tools #Realtime Backend / API #Backend As A Service 429 social mentions
Hoppscotch Landing Page
9

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
Prettier Landing Page
10

Prettier

An opinionated code formatter
Pricing:
- Open Source
#Developer Tools #Code Analysis #JavaScript Framework 255 social mentions
Fig Landing Page
11

Fig

Fast, isolated development environments using Docker.
Pricing:
- Open Source
#Developer Tools #Terminal Tools #Development Tools
PHPUnit Landing Page
12

PHPUnit

Application and Data, Build, Test, Deploy, and Testing Frameworks
Pricing:
- Open Source
#Development #Online Services #Automated Testing 30 social mentions