Wasavi is described as 'wasavi is an extension for Chrome, Opera and Firefox. wasavi transforms TEXTAREA element of any page into a VI editor, so you can edit the text in VI. wasavi supports almost all VI commands and some ex commands' and is an app in the Web Browsers category. There are nine alternatives to Wasavi for a variety of platforms, including Linux, Mac, Windows, BSD and Android. The best alternative is Vim, which is both free and Open Source. Other great apps like Wasavi are Neovim (Free, Open Source), Surfingkeys (Free, Open Source), Editor (Free, Open Source) and vim-anywhere (Free, Open Source).
Neovim is a project that seeks to aggressively refactor Vim in order to: Simplify maintenance and encourage contributions. Split the work between multiple developers. Enable the implementation of new/modern user interfaces without any modifications to the core source.
4coder is a minimalist, cross platform, programmable, code editing environment, catering to the needs of low level programmers. It allows you to use one work flow across Windows, Linux, and Mac (with the exception of your debugger... for now.).
vy is a modal editor with a very modular architecture. vy is built on top of Tkinter which is one of the most productive graphical toolkits; It permits vy to have such a great programming interface for plugins.
Veonim is a simple modal IDE built on Neovim and VSCode extensions. The goal is to create my ideal programming environment. Features: • Superfast with things like WebGL GPU rendering and multithreading