Top 12 Open-Source Alternatives to Postman

Product categories

API API Design API Gateway API Management API Tools APIs Api Analytics Automated Testing CLI Developer Tools Monitoring Tools Web Service Automation

Summary

The top open-source alternatives to Postman are Insomnia REST, DreamFactory, and Hoppscotch. 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.

Insomnia REST Landing Page
1

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
DreamFactory Landing Page
2

DreamFactory

DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #APIs #Monitoring Tools 1 social mentions
Hoppscotch Landing Page
3

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 78 social mentions
Gravitee.io Landing Page
4

Gravitee.io

Gravitee.io is a flexible, lightweight and an open source API management solution.
Pricing:
- Open Source
- Freemium
- Free Trial
#Monitoring Tools #API Tools #Web Service Automation 4 social mentions
StopLight Landing Page
5

StopLight

Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #APIs #API 24 social mentions
Django REST framework Landing Page
6

Django REST framework

Django REST framework is a toolkit for building web APIs.
Pricing:
- Open Source
#API Tools #APIs #API Management 3 social mentions
MockServer Landing Page
7

MockServer

Easy mocking of any system you integrate with via HTTP or HTTPS.
Pricing:
- Open Source
#Developer Tools #API Tools #APIs 3 social mentions
Tyk Landing Page
8

Tyk

Tyk is an open-source API gateway and API management platform.
Pricing:
- Open Source
#API Tools #APIs #Web Service Automation 12 social mentions
Google Cloud Endpoints Landing Page
9

Google Cloud Endpoints

Google Cloud Endpoints provides the tools to develop, deploy, protect and monitor your APIs.
Pricing:
- Open Source
#API Tools #APIs #Web Service Automation 4 social mentions
RAML Landing Page
10

RAML

RAML is a solution that manages an API lifecycle from design to sharing.
Pricing:
- Open Source
#API Tools #APIs #Web Service Automation 2 social mentions
cURL Landing Page
11

cURL

cURL is a computer software project providing a library and command-line tool for transferring data...
Pricing:
- Open Source
#API Tools #APIs #Developer Tools 106 social mentions
Postwoman Landing Page
12

Postwoman

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