InstantCom - Interactive applications, SMS voting, SMS games, J2ME games, mobile and internet dating service, mobile entertainment SMS Quiz mobile content management system, messaging delivery platform.
Java 2 Platform, Micro Edition CLDC - Licensed under the Sun Community Source Licensing program.
Java Guru: J2ME FAQ Home Page - FAQs on J2ME.
J4ME - An open source library for building J2ME applications. It includes an UI, a logging framework, functions for getting location data from a Bluetooth GPS device, and utility classes.
J2me Forums - Includes discussion forum for J2ME development and products.
J2MEUnit - A Java Micro Edition library containing a unit testing framework for J2ME applications based on the source code of the original JUnit unit testing framework.
kAWT - An abstract window toolkit for the J2ME CLDC KVM. [Free for non-commercial use]
Magmic Inc. - A software development studio specializing in games, entertainment, and productivity applications for Java-enabled (J2ME/MIDP) mobile devices.
MicroEmulator - J2ME Device Emulator. It's based on JDK 1.1 so allows demonstrate MIDlet based applications in browser applet.
Mobile GMaps - Software to display Google and MSN Virtual Earth maps and satellite imagery on Java J2ME-enabled mobile phones or other devices. [Freeware]
palowireless Java Resource Center - Provides wireless Java and J2ME resources, articles, and news.
SK Telecom's Java supplier - Clean-room implementation of J2ME (CLDC+MIDP) virtual machine, South Korea.
TinyLine - TinyLine provides Mobile SVG Applications and Development Tools for J2ME devices.
Wireless Tech Tips - Tips, techniques, and sample code on various topics of interest to developers using the Java Micro Edition (J2ME).