The simplest convenient interface to the Google App Engine datastore

Core

A series of utility classes for storing, loading, aggregating, and sending SMS, Email, and other end-user notifications for applications running on Google Appengine.

Lucene Directory implementation for Google App Engine

A sharded-counter implementation for Google Appengine from UpSwell

Spring Boot Google App Engine

Boilerplate for a project on Google App Engine

GWTP Crawler Service

Library providing useful functionality for apps deployed on the standard Java AppEngine. Ready to use Authentication, Authorization and Hydration.

Konig WAR

Library that allows to use Objectify with Ktor in coroutines context.