Mewt is an advanced widget toolkit for Java ME devices, providing a wide array of widgets (tree, tables, lists, buttons etc.) which automatically resize across different screen resolutions, and an array of attractive, customiseable themes.
Posted by Romain Guy, the author of Filthy Rich Clients, Photostream from Google is a simple photos browser and viewer for Flickr. This application serves as an illustrative example of several Android features and APIs.
SharpGPS is a GPS library for .NET 2.0 and .NET 2.0 Compact Framework. It supports parsing of NMEA, relaying raw RTCM data either through custom protocol, or via NTRIP for enhanced accuracy. There is no depencency on Windows Mobile’s GpsApi, so this framework supports any device that runs either the full .NET Framework 2.0 or the .NET Compact Framework 2.0. This makes it easy to reuse your code across all platforms.
Janus Symbian Engine is a local http server (for Flash Lite) for Smartphones (S60), which allows developers to create engaging Flash Lite applications. It allows you to extend Flash Lite functionalities using simple local http calls (es. loadvariables).
ToolME provides J2ME mobile application developers with a set of API utilities (tools) that aim to solve many of the common problems a J2ME developer will face when developing mobile software.
Secure Record Store (SRS) provides the developer with a convenient way to encrypt and decrypt persistent data within the MIDP 2.0 Record Management System (RMS).
Easy HTTP provides a mobile application developer with a convenient and robust way to perform HTTP communications.
Easy XML provides a mobile application developer with a convenient way to perform XML DOM parsing.
iTwtr is a simple web-based Twitter client specifically designed for the iPhone. It was created by Dan Phiffer. iTwtr is open source, so you can hack on the code and run it on your own server.
WordPress for iPhone is the first Open Source app that lets you write posts, upload photos, and edit your WordPress blog from your iPhone or iPod Touch. With support for both WordPress.com and self-hosted WordPress (2.5.1 or higher), users of all experience levels can get going in seconds.
agoraws is a lightweight REST web service client that was originally derived from the assisted living research project at UIUC. The original goal was to create a web service client that runs on cell phone platform which have limited processor and memory available.
The same set of API works on both J2SE and J2ME platform.