J2MEFS is an API for the J2ME that extends the RMS. It lets you save persistent data in your MIDlets without even knowing what a RecordStore is. You can create a structure of directories and access files through names and paths (MIDP 1.0 and above).
Java 2 Micro Edition Library for WordML elaboration: the projects aims to being able to transform properly XML documents (following WordML standard) into content that can be shown and used on cellular phones.