Onivim 2 is described as 'retro-futuristic modal editor - the next iteration of the Onivim project - combining Vim-style modal editing with the aesthetics and language features of modern editors' and is a Text Editor in the Development category. There are more than 50 alternatives to Onivim 2 for a variety of platforms, including Windows, Linux, Mac, BSD and PortableApps.com. Most alternatives are Text and Code Editors. The best alternative is Visual Studio Code, which is free. Other great apps like Onivim 2 are Notepad++ (Free, Open Source), Atom (Free, Open Source), Sublime Text (Free Personal) and Vim (Free, Open Source).
Visual Studio Code is more than just a code editor, it provides the tools and extensions to compile, debug, compare, refactor, and even manage code repositories all within a highly-customised development environment.
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.