Prepress preparing tool and PDF editor
World's most comprehensive, powerful, process-based PDF editor
Simple XML editor and XSD viewer
Relational database replication tool based on XML Schema
General purpose plain text editor for macOS
Mini SDK JavaScript API library PDF web apps
PDF Library for Developers
Emacs editing mode for X12 files
postprocessing tool for Project Gutenberg Distributed Proofreaders
A tool to look into file contents