- [Atom Community](https://github.com/atom-community/atom) - A fork of [atom](https://github.com/atom/atom) A hackable text editor from Github. `MIT``JavaScript`
- [Brackets](https://brackets.io/) - Code editor for web designers and front-end developers. ([Source Code](https://github.com/brackets-cont/brackets)) `MIT``JavaScript`
- [CodeLobster](https://codelobster.com/) - Code editor with special support for many popular frameworks
- [Eclipse](https://www.eclipse.org/) - IDE written in Java with an extensible plug-in system. ([Source Code](https://git.eclipse.org/c/)) `EPL-1.0``Java`
- [Geany](https://www.geany.org/) - GTK2 text editor. ([Source Code](https://github.com/geany/geany)) `GPL-2.0``C/C++`
- [GNU Emacs](https://www.gnu.org/software/emacs/) - An extensible, customizable text editor-and more. ([Source Code](https://github.com/emacs-mirror/emacs)) `GPL-3.0``C`