A hackable text editor for the 21st Century
jEdit is a programmer's text editor written in Java.
wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
One hundred command line tools in a small and portable binary.
Portable multi-file text editor & the smallest full-function vi clone
Next generation desktop rich content editor that saves documents
PURE HTML5 editor for web designer and developer
SQLite Editor and Compiler for PC, macOS and Linux
Civilizer - Tool to efficiently manage your data/knowledge/idea
Tools for developing qooxdoo Web apps
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Open source cloud & desktop IDE