Open Source Software for Mobile Phones

The 5ud0ku Midlet is a J2ME game providing Sudoku puzzles (Number Place puzzle) for your java

BlueLCD is a J2ME application that emulates a serial text LCD screen, so it can be used to show computer information using in a independently of the OS.

It is a class with a static method which receive an array with the gzip data and returns an array with the uncompressed data.

JVending is a P2P (JXTA) mobile content provisioning system that implements most of the J2EE Client Provisioning Specification (JSR-124). JVending provides catalog management, device detection, Web/WAP based browsing and peer searches.

Related Article:
[sys-con.com]:
Building a J2ME Multimedia Messaging Service Client

The Saferoom mobile application is a database for your passwords and usernames.

Woodstox (aka WoodSToX aka wstx) is an Open Source XML-processor written in Java which implements StAX API (version 1.0). StAX specifies interface for standardJ2ME “pull-parsers” (as opposed to “push parser” like SAX API ones); at high-level StAX specifies 2 types (iterator and event based) of readers and writers that are used to read and write XML documents.

jMobileCore library is powerful tool for creating J2ME applications. jMobileCore provides support for developing compact and rich GUI, fast data access and reliable communications and simplifies creation of multithreading midlet applications.

Inspired by its UI big brothers as AWT, Swing and SWT, Micro Window Toolkit (MWT) comes into the scene providing an UI framework designed and optimized for small devices.

The MicroFont-Maker is a J2SE command line program to create a font strip or a png folder from a TTF file or a custom bitmap.

Fire (Flexible Interface Rendering Engine) is a library that aims to provide a set of easy-to-use extendable components to Java ME developers. The basic set of Fire components offer all the functionality of the Java ME GUI components provided in the midp2 profile (Forms, Items etc.) plus a much more appealing user interface, themes, animations, popup menus, and better component layout. Fire does not depend on device or vendor specific parameters to lay out its components on the screen, thus creating interfaces that look the same on different phones and screen sizes.

LightCrypto (lightweight cryptographic library) is a set of Open Source Java classes with basic cryptographic routines using the BouncyCastle lightweight API.

It uses a minimal amount of memory so it can be used with J2ME, browser applets, on small Java devices such as PDA’s or Java enabled mobile phones or in any other situation where JCE (Java Cryptographic Extensions) is too heavy for the job.