This project’s goal is to collect ideas for tasks that are very likely to be needed in more than one project (and may have been already programmed independently by different programmers), to define together a reasonable and extensible set of intents and interfaces, and to provide a basic, but stable and efficient, implementation that can be used by other Android applications, especially by other participants of the Android Developer Challenge. » Read more: OpenIntents

This is the first release of Moseycode, an Android application for sharing interactive augmented-reality barcodes. This is an early access release that is targetted at other Android application developers. The hope is that some developers may want to integrate Moseycode within their application – conversely they may see reasons for Moseycode to be integrated with their applications. Either way, this release is for them.
» Read more: moseycode

Metawidget takes your domain objects and automatically creates User Interface components for them, saving you handcoding your UIs.

As much as possible, Metawidget does this without introducing new technologies. It inspects, at runtime, an application’s existing back-end architecture (such as JavaBeans, annotations, XML configuration files) and creates components native to its existing front-end framework (such as Swing, Java Server Faces, Struts or Android). » Read more: Metawidget

ItzyBit is a library and web service providing the independent Android developer with capabilities for payment processing and copy protection. ItzyBit is a Micropayment system, allowing developers to charge small amounts with multiple billing models, such as subscriptions and per-use charges. ItzyBit also handles user registration, allowing developers to contact and manage their user base. Ultimately, ItzyBit will also provide an online catalog of Android apps and the distribution system to support it (this piece is still under development). » Read more: ItzyBit

Library is intended for Android develoeprs to compile and distribute their Android activities as normal Linux/Windows desktop and Web applications (server+ajax+dhtml), without modifying your app’s java/xml sources. Project is in Beta stage, » Read more: Dr.i.n.e.

Adobe DNG RAW on Google Android (gPhone)
http://teavuihuang.com/dng

Tea Vui Huang’s “DNGwriter” is a Google Android library that allows gPhone (Google Android Handset) camera images to be saved straight to the lossless Adobe Digital Negative (DNG) Raw image format. This product includes DNG technology under license by Adobe Systems Incorporated. » Read more: DNGwriter

An open API for easy development of location-based services, especially for proactive and community oriented applications including an AJAX interface

The ALOQA TraX platform for Location-Based Services (LBSs) enables the simple interchange of location information between LBS participants such as the target person, the user, the LBS provider and the content provider. LBSs can be realized extremely efficiently and with minimal energy requirements using this platform. » Read more: ALOQA LBS Platform

Three game demos that represent some of the capabilities of the AllBinary Development Kit.

The AllBinary Arcade Game Development Library contains over 50 very small libraries to help ease mobile arcade game development. The main features include the following: » Read more: AllBinary