1T3XT offers a suite of products that are useful to create and/or manipulate documents, more specifically PDF and RTF documents. There's some support for XML and HTML, but this isn't the core business of iText.
Java bindings for FUSE (Filesystem in USErspace) is a Java API that uses JNI bindings to FUSE library and enables writing Linux filesystems in Java language
Daylight Chart shows sunrise and sunset times in an attractive chart, for any location in the world. The effect of daylight savings time is also displayed. Charts can be exported to image files.