The scientific Python development environment
Komodo Edit is a fast and free multi-language code editor
Open source plain text editor designed for writing novels
A free and powerful office suite
GUI for translate-shell, the cli tool for quick translation
XML text markup for ancient documents
All-in-one web-based IDE specialized for machine learning
So many tools to help a writer work but not all of them are free!
Localization tools built by localizers for localizers
A command line tool to extract, transform and get metadata for ISBNs
Tools to support the learning of the C programming language
Library of linguistic tools
SCons tool to cooperate with dvipdfm program