Top 11 Open-Source Alternatives to Graphical HTTP Client

Product categories

API API Design API Management API Tools APIs Automated Testing Business Workflows Developer Tools Feature Flags Productivity Rapid Application Development Release Management

Summary

The top open-source alternatives to Graphical HTTP Client are Postman, Insomnia REST, and Hurl.dev. 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
Insomnia REST Landing Page
2

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
Hurl.dev Landing Page
3

Hurl.dev

Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
Pricing:
- Open Source
#Command Line Tools #HTTP #HTTP Test Tool 39 social mentions
Webhook.site Landing Page
4

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
Hoppscotch Landing Page
5

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
Postwoman Landing Page
6

Postwoman

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

Unleash

Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.
Pricing:
- Open Source
- Freemium
- Free Trial
- $80.0 / Monthly (Pro, "5 users")
#Productivity #Software Engineering #Developer Tools 4 social mentions
DreamFactory Landing Page
9

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
Flagsmith Landing Page
10

Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
Pricing:
- Open Source
- Freemium
- Free Trial
#Feature Flags #Developer Tools #Configuration Management 13 social mentions
StopLight Landing Page
11

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 23 social mentions