Android library to handle jobs in the background.
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.
Java client library for Google Maps API Web Services
Java bindings for H3, a hierarchical hexagonal geospatial indexing system
High-quality WebSocket client implementation in Java.
Uber Rides Android SDK (beta)
Uber Rides Java SDK (beta)