Gravitee.io - API Management - Management Rest API
Axway API-Manager CLI
Gravitee.io - API Management - OpenSource API Gateway
The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.
Official Java SDK for the Stormpath User Management REST API
Forge Java SDK: Provides Java SDK to help you easily integrate Forge REST APIs into the application
Java library for using the Contentful Content Management API
Generated Java code for Google APIs