DynaDoc is an automated documentation system for on-demand context-specific documentation. This tool is a participant in 2018 DOCGEN Challenge and winner of the challenge's comprehesiveness category.
Sample documentation generated by DynaDoc is available at: (https://ensoftcorp.github.io/DynaDoc/)
The following image shows an example of the generated documentation for class org.apache.poi.xssf.usermodel.XSSFWorkbook in the ApachePOI project