Objectify-Appengine is a thin Java wrapper around Google App Engine's low-level datastore API that allows you to persist type-safe POJO objects. It provides a human-friendly query interface, generified key, query, and prepared query classes, GWT-able entity objects, and transactions in one lightweight jar file with no dependencies.
Apache PhotArk is a photo gallery application including a content repository for the images, a display piece, an access control layer, and upload capabilities. The idea is to have a rigid design for the content repository with a very flexible display piece. The images in the content repository will be protected with granular access control.
Vikuit is an advanced social networking engine optimized for Google App Engine. It aims to possess every feature for a social network engine while remaining easy to deploy and manage. It is built with Python and is focused on running on Google App Engine (GAE). Vikuit is intended to fill the gap between software-as-a-service platforms like Ning and on-site deployments. Its key features include articles and news, support for multiple languages, groups, Google native authentication, microbloging, following a user, profiles and profile comments, comments, photo galleries, full searching, user dashboard, and recent activity. For developers, Vikuit uses themes based on jinja templates and special modules, called Vikuitlets, that provide an easy way to extend it.
Networked Decision Making is fun Web-based group decision making software to complement meetings and voting. There are many situations in which groups need to make decisions. Existing methods are inefficient, synchronous, and often overly influenced by politics, egos, and hierarchy. Hence the need for a new method without these limitations. Networked Decision Making is developed on the web2py platform and is fully compatible with Google App Engine and most SQL platforms.
BitWrk is creating a marketplace where participants can buy or sell computing power like stocks in a stock exchange, using Bitcoin as currency. The client software can be integrated with existing, compute-intensive applications (e.g. rendering software), creating a big boost by harnessing the combined computing power of the BitWrk network. Sellers earn money by putting their hardware to work, offering an alternative to Bitcoin mining.