PDFCraft is a free, privacy-focused PDF toolkit
Lightweight and flexible command-line JSON processor
PDF transformation/manipulation program + library
Split and merge PDF files on any platform
Client for public libraries
2D & 3D TeX-Aware Vector Graphics Language
csv2odf can convert csv data to formatted spreadsheets and documents.
XMLTV obtains and processes TV listings data
Easy lead sheets from text input
Dynamically loaded extension libraries for GNU AWK
Set of BIN/CUE<->VCD conversion tools for FreeBSD & GNU/Linux
Parse and decode METAR, TAF, SYNOP, BUOY, AMDAR and write data as XML
Read Cobol data files in Java
A free Usenet server with SQL backend and RBAC.
Cross-platform DICOM implementation
converts UTF-8 text files to other codepages and back
DAMO Blog Engine is a light posting articles, comment, ...