RestCase
Secure REST API Rapid Development Platform
16 Alternatives To RestCase
Advanced REST Client (ARC)
API testing tool. Which allows web developers to create and test custom HTTP requests.
Apache Juneau
Apache Juneau Universal Serialization and REST API Library
Apiary
Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing
Apigee
Intelligent and complete API platform
Django REST framework
Django REST framework is a toolkit for building web APIs.
GitBook
Modern Publishing, Simply taking your books from ideas to finished, polished books.
HttpRequester
Download HttpRequester for free.
MuleSoft Anypoint Platform
Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.
Postman Collections
Biggest library of ready-made API collections for Postman
RAML
RAML is a solution that manages an API lifecycle from design to sharing.
Slate
Slate visualises the structure of a spreadsheet. It lets you understand the sheet and find mistakes in a really quick, simple and intuitive way.
StopLight
StopLight, providing engineering teams with the best way to document, test, and build web APIs.
Swagger UI
Swagger UI is a dependency-free collection of HTML, Javascript, and CSS assets that dynamically generate beautiful documentation from a Swag
Unleash-hosted
Manage feature roll-out. Reduce risk and increase speed.
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.
phpMorphy
phpMorphy – morphological analyzer library for Russisan, English and German languages