A web-based tool to view, edit, format, and validate JSON
The agentic HTML editor
Editor for Fixed Width, Csv and Existing Xml files.
PDFCraft is a free, privacy-focused PDF toolkit
XML editor
C++ Qt ORM (Object Relational Mapping) and ODM library
XMLJ is a Java XML Editor and validator project.
Another drawing editor for LaTeX with PSTricks & TikZ
Kile is a feature-rich LaTeX editor
An easy to edit webpage template / cheatsheet
Minimalistic address book in web browser. No server or plugin needed.
An editor for structured documents
A hex editor Eclipse plugin and multi-platform desktop application
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Vector drawing program for LaTeX using PSTricks
Music score editor
DocBook Editing and Processing for Eclipse
Small, powerful, full featured WYSIWYG editor
2D Editor to manage garden or flat plan
Clean, powerful templates for Java