Postwoman

An online, open source API request builder

14 Alternatives To Postwoman

Advanced REST Client (ARC)

API testing tool. Which allows web developers to create and test custom HTTP requests.

DreamFactory

DreamFactory is an open source REST API backend for mobile, web, and IoT applications.

Fiddler

Fiddler is a debugging program for websites.

HttpRequester

Download HttpRequester for free.

Insomnia REST Client

The most intuitive cross-platform REST API Client 😴

Mocky

A window into your team’s Dropbox activity and projects
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Parasoft SOAtest

Parasoft SOAtest automates complete end-to-end testing for business and security-critical transactions.

Postman Collections

Biggest library of ready-made API collections for Postman

RESTClient

RESTClient can be used to test variety of HTTP communications and RESTful webservices.
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Requester

HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and…

Runscope

Log, monitor and measure your API usage to solve API problems fast.
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Sqlmap

sqlmap is an open source penetration testing tool that automates the process of detecting and…

WSO2 API Manager

WSO2 API Manager is a 100% open source enterprise-class solution that supports API publishing, lifecycle management, application development, access control, rate limiting and analytics in one cleanly integrated system.

Xmysql

🚀 One command to generate REST APIs for any MySql Database.