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API Development Tools


Free - On Request

Apiary makes API development simple and collaborative. The Apiary platform is the only developer-centric solution with tooling for every stage of the API lifecycle: designing, prototyping, testing, and documentation.


On Request

Apigility is an API Builder, designed to simplify creating and maintaining useful, easy to consume, and well structured APIs. Regardless of your experience in API building, with Apigility you can build APIs that enable mobile apps, developer communities, and any other consumer controlled access to your applications.


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Falcon is a fast, minimalist Python web framework for building cloud APIs and app backends. The Falcon web framework encourages the REST architectural style, meaning that you think in terms of resources and state transitions, which map to HTTP verbs. Falcon is an Apache-licensed Rackspace community project, built and maintained by a group of volunteers from around the world.



LoopBack is a highly-extensible, open-source Node.js framework that lets you quickly create dynamic end-to-end REST APIs. It lets you use Android, iOS, and AngularJS SDKs to easily create client apps. Also the user can add-on components for push, file management, 3rd-party login, and geolocation.


Free - Custom

SwaggerHub is an integrated API development platform, built for teams to design, document, develop, deploy and maintain APIs. It is built by the creators of the popular Swagger open source tooling, and helps drive design consistency and discipline across the entire API lifecycle. With regards to API documentation, SwaggerHub offers a host of features including an intelligent cloud based editor with on-the-fly error feedback and instant visualization of the API, auto generated and hosted interactive API documentation, virtualization of request-responses without any code, and access control to allow the right people to view the documentation.