neoHort:Java PDF&XLSX runtime builder-based iText&JExcelAPI&Apache POI
csv2odf can convert csv data to formatted spreadsheets and documents.
count characters in pptx, xlsx, xls files
Generate reports from Java applications directly.
neoHort:Java PDF&XLS runtime builder-based iText(v.5.*)&JExcelAPI..
Create FSG report in Excel format at your desktop