Top 11 Open-Source Alternatives to SMARTBEAR ReadyAPI

SMARTBEAR ReadyAPI

SMARTBEAR ReadyAPI is one of the legit and professional automated testing API platforms that allows teams to create and run automated security tests for APIs and SOAP APIs.

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Product categories

API API Marketplace API Tools APIs Business & Commerce Developer Tools Development Documentation Documentation As A Service & Tools Monitoring Tools Productivity Website Testing

Summary

The top open-source alternatives to SMARTBEAR ReadyAPI are JMeter, Taurus, and gatling. 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.

JMeter Landing Page
1

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
#Website Testing #Monitoring Tools #Development 52 social mentions
Taurus Landing Page
2

Taurus

Automation-friendly framework for Continuous Testing.
Pricing:
- Open Source
#Website Testing #Monitoring Tools #Office & Productivity 4 social mentions
gatling Landing Page
3

gatling

A high performance web server. Small! (125k static Linux-x86 binary with HTTP, FTP and SMB support).
Pricing:
- Open Source
#Website Testing #Monitoring Tools #Development
Truebit Landing Page
4

Truebit

Truebit is a blockchain network that allows for trustless smart contracts.
Pricing:
- Open Source
#Productivity #Sales #Development 2 social mentions
recipeui.com
5

RecipeUI

Open source type-safe Postman alternative
Pricing:
- Open Source
#Productivity #API Tools #Developer Tools 2 social mentions
Insomnia REST Landing Page
6

Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Pricing:
- Open Source
#API #API Tools #Developer Tools 131 social mentions
swagger.io Landing Page
7

swagger.io

Swagger is an open source RESTapi Documentation Tool.
Pricing:
- Open Source
#API Tools #Documentation As A Service & Tools #APIs 102 social mentions
Firecamp Landing Page
8

Firecamp

Firecamp is a modern client for Real-time, GraphQL, REST and other 15+ routine tech stacks and platforms.
Pricing:
- Open Source
#API Tools #Realtime Backend / API #Developer Tools 5 social mentions
Hoppscotch Landing Page
9

Hoppscotch

Open source API development ecosystem
Pricing:
- Open Source
- Freemium
- Free Trial
#Productivity #API Tools #Developer Tools 95 social mentions
APILayer Landing Page
10

APILayer

API marketplace and ready to run app backends for your mobile app and website.
Pricing:
- Open Source
- Freemium
- Free Trial
#API Tools #Developer Tools #API Marketplace 5 social mentions
gatling.io Landing Page
11

gatling.io

Gatling is an open-source load testing framework based on Scala, Akka and Netty
Pricing:
- Open Source
#Website Testing #Monitoring Tools #Development 24 social mentions