A simple interface for working with TeX documents
Stanford CoreNLP, a Java suite of core NLP tools
Modest natural-language processing
Parser generator to read, process, or translate structured text
General natural language facilities for node
Open source text shaping engine
Simple & Free Wiki Software
PHP library for reading and writing word processing documents
Python binding to the Apache Tika™ REST services
PDF to Markdown with vision models
Cut videos with a text editor
Markdown parser, done right. 100% CommonMark support, extensions
Bibliography manager for Mac OS X
Powerful desktop publishing software
XML editor
A graphical text difference analyzer
Open/Libre Office extension for converting eBooks in fb2 format
The free computer aided translation (CAT) tool for professionals
Ada Class Library - an object orientated library for Ada.
Notepad for Windows, Linux, and Mac platforms
TEI produces the TEI Guidelines and associated software