Open Source Text Editors

Free open-source code editor and Notepad replacement supporting multiple languages, featuring high speed, low resource usage, privacy focus, and plugin extensibility.

Vim ("Vi IMproved") is an advanced text editor that allows syntax highlighting, word completion and has a huge amount of contributed content. It also has a GUI version called GVim.

Comprehensive writing tool for notes, citations, and drafting with privacy-first features and multi-language support, perfect for diverse writing tasks.

The Kate project develops two main products: KatePart, the advanced editor component which is used in numerous KDE applications requiring a text editing component, and Kate, a MDI text editor application.

Refactored version of Vim with enhanced extensibility and modern plugin architecture.

Official text editor of the GNOME desktop environment. Has syntax highlighting and is suitable for programming, with support for several languages. It is extensible with plugins.

GNU Emacs is an extensible, customizable text editor—and more. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. The features of GNU Emacs include:

GNU nano is a small and friendly text editor. Besides basic text editing, nano offers many extra features like an interactive search and replace, go to line and column number, auto-indentation, feature toggles, internationalization support, and filename tab completion.

Edit is a new command-line text editor in Windows. Edit is open source, so you can build the code or install the latest version from GitHub.

Brackets is an open-source editor for web design and development built on top of web technologies such as HTML, CSS and JavaScript.

Micro is a terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the full capabilities of modern terminals.

ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.

Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.

A Community-led Hyper-Hackable Text Editor, built on Electron. and based on everything we love about our favorite editors.

Lite XL is a lightweight text editor written mostly in Lua — it aims to provide something practical, pretty, small and fast, implemented as simply as possible; easy to modify and extend, or to use without doing either.

Notepad3 is a fast and light-weight text editor with syntax highlighting for programming jobs. Auto-completion, Multi-language, Dark mode more.

Helix is a fast text editor for the terminal inspired by modal editors like Kakoune and Neovim. Built as a native app using .

Markdown editor for Mac, Windows, and Linux with real-time preview and distraction-free interface. Open source, free on GitHub, supports various Markdown specs.

Considering that most text editors are eather too heavy or look too old, the author came up with Notepads, designed to be a modern-looking UWP app.

Simple but configurable and themeable, distraction-free text editor for writers. Open-source and available across desktop platforms.

TextMate brings Apple's approach to operating systems into the world of text editors. By bridging UNIX underpinnings and GUI, TextMate cherry-picks the best of both worlds to the benefit of expert scripters and novice users alike.

Hurmet is a web-based rich text editor endowed with live calculations. With it, you can create documents that do calculations and preserve an easy-to-read record of your work.

Notepad2 is a fast and light-weight Windows Notepad like text editor with syntax highlighting. Simple as possible, but yet powerful. Has full Unicode support. Can be run out of the box without installation, and does not touch your system's...

Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.

HedgeDoc (fcommunity-driven fork of CodiMD) is an open-source collaborative markdown editor. With HedgeDoc you can easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers, and they’re ready to go.