CotEditor is a text editor for macOS and iOS that enables developers to create, edit and manage text documents quickly and easily. It features syntax highlighting, code folding, auto-completion, file comparison, an advanced search-and-replace engine, and more. CotEditor also has an intuitive user interface, making it easy for developers to navigate. It is an open-source project and supports many programming languages, including HTML, CSS, JavaScript, PHP, Ruby, Python, XML, and Objective-C. CotEditor can be used to create a wide range of text documents, such as HTML, CSS, JavaScript, PHP, Ruby, and Python.
Discontinued The program is no longer updated. The latest version, 4.2.25, released on October 28, 2012, can still be downloaded from the official website.
Like CotEditor, VSCode is very lightweight and ideal for quickly editing a single file while offering solid syntax formatting and highlighting actions, such as "beautifying" JSON.