Developer Libraries

Popular libraries used by developers:

• log4j - Logger, needy tool for debugging.
  Tip: Put the configuration file "log4j.properties" in /Tomcat 5.5/common/classes/ to be shared among the webapps
• WURFL - Identifying devices capabilities for mobile development (eg. WAP)
• BouncyCastle - For encryption
• ProGuard - Obfuscation not only protects your code, but also make the package smaller.

J2ME specific libraries:

• j2me.ngphone.com - Mentions lots of good open source libraries
• SyncML