TextEdit is described as 'When you need to create text documents, TextEdit is a highly versatile word processor, including tools to format and layout your page, edit and stylize text, check spelling, create tables and lists, import graphics, work with HTML, and even add music and movie files' and is a Text Editor in the office & productivity category. There are more than 100 alternatives to TextEdit for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best TextEdit alternative is Sublime Text, which is free. Other great apps like TextEdit are gedit, GNU nano, TextMate and CudaText.
RJ TextEd is a full featured text and source editor with Unicode support, syntax highlighting and code folding. The functionality extends beyond text files and includes support for HTML editing with integrated preview, spell checking, auto completion, HTML validation, templates...
Intype is a powerful and intuitive code editor for Windows with lightning fast response. It is easily extensible and customizable, thanks in part to its support for scripting and native plug-ins. It makes development in any programming or scripting language quick and easy.
GetDiz is a fully featured text editor which can replace Notepad while maintaining an incredible speed, ease of use and small size. You can display and edit any text files with GetDiz. Additionally it offers enhanced functionality with DIZ and NFO files, which are often included...
TEA is free text editor for Linux, *BSD, OS/2, Windows, Haicu. It depends on Qt 4.6+ or Qt 5 or Qt6, zlib and, optionally, on Aspell or Hunspell. The old (but renewed) branch, TEA-GTK depends on GTK+ 3 and GtkSourceView 3.
A text editor for GNOME that combines simplicity with power.
Scribes focuses on streamlining your workflow. It does so by ensuring common and repetitive operations are intelligently automated. And also by eliminating factors that prevent you from focusing on your tasks.
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SlickEdit is a cross-platform, multi-language code editor that gives programmers the ability to code in over 40 languages on 7 platforms.
Kod is a programmers' editor for OS X
Source available at http://github.com/rsms/kod
Goals and features
Fully concurrent — loading files, syntax highlighting, etc is distributed across available CPU cores. Minimal waiting time.
Integrated scripting environment based on No.
Jane is Just Another Nasty Editor, designed to view and edit all kind of ASCII files. There are millions of similar editors already available, but the choice is yours: those who try this might discover nice features they'll soon don't want to miss anymore.
Celebrating transience, Buffer provides a minimal editing space for all those things that don't need keeping. Designed for keyboard workflows on desktop.
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Apple Text Edit is capable of producing RTF documents while this program is mostly for programming therefore under that aspect is not close at all. To date most options listed are code editors and while those are great for programming, they have weak to non-existing RTF editing capabilities.