swap_horiz RestAssured Alternatives

1

Postman

Postman has evolved from a simple Chrome extension into the ubiquitous platform for API development and testing, definin...

Monitoring Collaboration Affordable Freemium

9.6 Brilliant

2

Apache JMeter

Apache JMeter is the venerable, open-source standard for performance and load testing, with robust capabilities for func...

Legacy Open Source Plugin Performance Testing

9.6 Brilliant

3

Hoppscotch

Hoppscotch (formerly Postwoman) is a lightweight, open-source, web-based API client built as a Progressive Web App (PWA)...

Lightweight Open Source Web Based Rest

9.4 Excellent

4

Gatling

Gatling is a powerful, open-source load testing tool built on Scala, offering a code-based approach to test creation. It...

Enterprise Open Source Performance Testing Java

9.4 Excellent

5

k6

k6, from Grafana Labs, is a modern, developer-centric, open-source load testing tool built for the cloud-native era. It...

Cloud Performance Automation Open Source

9.0 Excellent

6

LoadRunner

LoadRunner is the industry veteran of performance testing, known for its unparalleled support for legacy protocols and e...

Legacy Enterprise On Premise Comprehensive

8.9 Very Good

7

API Fortress

API Fortress is an API testing tool that focuses on security and performance. It offers automated testing, continuous de...

Performance Testing Security Testing Continuous Delivery Automated Testing

8.8 Very Good

8

Burp Suite

Burp Suite is the industry-standard tool for web application security testing. It provides a comprehensive suite of tool...

Web Security Penetration Testing Vulnerability Scanning Proxy

8.8 Very Good

9

SmartBear ReadyAPI

ReadyAPI, built on the legacy of SoapUI Open Source, is a comprehensive, enterprise-grade functional API testing platfor...

Automation Soapui Performance Testing Security Testing

8.8 Very Good

10

GTmetrix

GTmetrix is a comprehensive performance testing tool that provides deep insights into how your website loads. It uses Li...

Performance Analysis Monitoring SEO Tool

8.7 Very Good

11

Gatling Enterprise

Gatling Enterprise is the managed, commercial version of the popular open-source Gatling tool. It provides a centralized...

Enterprise Reporting CI CD Managed

8.5 Very Good

12

Otter.ai API

Otter.ai is a leader in meeting intelligence, and their API allows developers to tap into their powerful transcription a...

Productivity Collaboration Enterprise Summarization

8.4 Very Good

13

Insomnia

Insomnia is a powerful, elegant, and open-source API client that has gained a strong following as a streamlined alternat...

Design Open Source Rest Graphql

8.3 Very Good

14

Testim.io

Testim.io is an AI-driven API and UI testing tool that supports cross-platform testing and continuous delivery. It offer...

Continuous Delivery Cross Platform Support UI Automation AI Driven Testing

8.3 Very Good

15

Karate DSL

Karate DSL is a unique open-source tool that combines API test automation, performance testing, mocks, and even UI autom...

Performance Automation Open Source Web Testing

8.1 Very Good

16

SoapUI Open Source

SoapUI Open Source is the free, community edition of the tool that evolved into ReadyAPI. It remains a powerful, standal...

Open Source Rest Soap Load Testing

8.1 Very Good

17

TinCan API

The TinCan API, also known as Experience API (xAPI), is a standard for tracking learning experiences across various plat...

Data Tracking Scorm Compliance Learning Record Store

8.0 Very Good

18

ZAP (OWASP Zed Attack Proxy)

ZAP is an open-source API testing tool that focuses on security and ethical hacking. It offers advanced scanning feature...

Open Source Security Testing Web Application Security Ethical Hacking

7.8 Good

19

Cloudmersive

Cloudmersive is a cloud-based API testing and validation platform that helps developers test, validate, and monitor APIs...

Automation Integration Cloud Based Software Development

7.8 Good

20

FastAPI

FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python...

API Python Data Validation Asynchronous

7.6 Good