Simple SQL-like syntax on top of Perl text processing
Music score editor
Configurable Editor in Python
automatic indexing for large LaTex documents
IDE/Advanced text editor
Small, powerful, full featured WYSIWYG editor
Create hyperlinks just by dragging, find contacts instantly, ...
So many tools to help a writer work but not all of them are free!
A personal wiki created by your directory structure
Localization tools built by localizers for localizers
Literate Programming in pure Python
pandoc integration and utilities for vim
A Simple Cross Platform Journaling App
TextBlob is a Python library for processing textual data
Complete tool for constructing/manipulating languages in digital form