Top 12 Open-Source Alternatives to HttpMaster

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HttpMaster

HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

Product categories

API API Design API Management API Tools APIs Automated Testing Browser Testing Bug Trackers Developer Tools Monitoring Tools Testing Website Testing

Summary

The top open-source alternatives to HttpMaster are Postman, MockServer, and Webhook.site. 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
MockServer Landing Page
2

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
3

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
4

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Web App #Productivity #APIs 77 social mentions
Checkly Landing Page
5

Checkly

Fresh API monitoring and Site Transaction Monitoring. From one great dashboard.
Pricing:
- Open Source
#API Tools #API #Developer Tools 9 social mentions
StopLight Landing Page
6

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
Insomnia REST Landing Page
7

Insomnia REST

The most intuitive cross-platform REST API Client ð´
Pricing:
- Open Source
#API Tools #API #Developer Tools 120 social mentions
Datadog Landing Page
8

Datadog

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $15.0 / Monthly (per host)
#Monitoring Tools #Log Management #Error Tracking 5 social mentions
JMeter Landing Page
9

JMeter

Official Twitter account of JMeter, the open source load testing tool by @TheAsf. Code: https://t.co/ADK2A8Pl14. Website: https://t.co/oc0MW2ksea
Pricing:
- Open Source
#Monitoring Tools #Development #Website Testing 32 social mentions
WireMock Landing Page
10

WireMock

WireMock - a web service test double for all occasions.
Pricing:
- Open Source
#Developer Tools #API Tools #APIs 14 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 105 social mentions
Selenium Landing Page
12

Selenium

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Pricing:
- Open Source
#Testing #Browser Testing #Automated Testing 8 social mentions