Helix Editor
Helix Editor is a powerful, modern text editor designed for developers seeking a fast, customizable, and efficient editing experience. Built with a focus on productivity, Helix uses a modal editing style inspired by Vim, which allows users to navigate, select, and manipulate text seamlessly through intuitive keyboard shortcuts. It offers a robust set of features including syntax highlighting, multi-caret editing, and support for languages like Rust, Python, and JavaScript. Helix also integrates with the Tree-sitter parsing library for precise syntax-aware editing, making it easier to work with complex code structures. With a minimal interface and a strong focus on performance, Helix Editor provides an ideal environment for programmers who prioritize speed and flexibility in their development workflow.
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Emacs
At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. Content-aware editing modes, including syntax coloring, for many file types. Complete built-in documentation, including a tutorial for new users. Full Unicode support for nearly all human scripts. Highly customizable, using Emacs Lisp code or a graphical interface. A wide range of functionality beyond text editing, including a project planner, mail and news reader, debugger interface, calendar, IRC client, and more. A packaging system for downloading and installing extensions. Built-in support for arbitrary-size integers. Text shaping with HarfBuzz. Native support for JSON parsing. Better support for Cairo drawing. Portable dumping used instead of unexec. Support for XDG conventions for init files. Additional early-init initialization file. Built-in support for tab bar and tab-line. Support for resizing and rotating of images without ImageMagick.
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Quiver
Quiver is a notebook built for programmers. It lets you easily mix text, code, Markdown and LaTeX within one note, edit code with an awesome code editor, live preview Markdown and LaTeX, and find any note instantly via the full-text search. A note in Quiver is comprised of cells, snippets of text, code, Markdown, LaTeX (via MathJax) or diagrams (sequence diagram, flowchart). You can freely mix different cell types within one note. You can set different languages for different code cells, too. The programmer's notebook should make code editing effortless. Quiver packs the awesome ACE code editor in code cells, with syntax highlighting support for more than 120 languages, over 20 themes, automatic indent and outdent, and much more. Quiver lets you write in Markdown with inline formatting and custom CSS options. A live preview window renders Markdown as you type. Quiver uses MathJax to typeset mathematical equations written in LaTeX.
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UltraEdit
For almost 3 decades, UltraEdit has been the go-to text editor for 2+ million users and many Fortune 100/500/1000 enterprise customers. Renowned for its power and performance in handling and processing huge files and data, UltraEdit is also a highly configurable and fully themed code editor with support for nearly any source language or syntax.
Often called the "Swiss army knife" of text editors, UltraEdit is a powerful tool for users in a wide range of responsibilities and industries. From programming and project management to large file manipulation, from data sorting and column/block editing to remote (FTP/SFTP) file operations, from advanced file searching and text data reformatting, there's almost no problem that UltraEdit can't solve in the world of text editing.
UltraEdit is available for Windows, Mac, and Linux and is supported by a professional development team and customer service staff located in the USA.
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