Beaver Editor is described as 'Beaver is an Early AdVanced EditoR. Beaver is a GTK+2 editor designed to be Light-Weight, Modular and Stylish' and is an app in the Development category. There are more than 50 alternatives to Beaver Editor for a variety of platforms, including Windows, Linux, Mac, BSD and Chrome OS. The best alternative is Visual Studio Code, which is free. Other great apps like Beaver Editor are Notepad++ (Free, Open Source), Atom (Free, Open Source), Vim (Free, Open Source) and VSCodium (Free, Open Source).
Acme is a powerful text editor, development environment and textual-user-interface platform developed by Rob Pike originally for Plan 9 from Bell Labs research operating system, and now has ports available for all major platforms.
BabelPad is a free Unicode text editor for Windows that supports the proper rendering of most complex scripts, and allows you to assign different fonts to different scripts in order to facilitate multi-script text editing.
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.
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.).
use your Browser as your Notepad, take notes while you are browsing. From now on for notepad, you don't have to go anywhere, convert your browser into your favorite notepad. Customize it as you like it. TabNote is free and offline.
Notepad for Mac let’s you organize any piece of text you may want to have at hand everyday. Designed from the ground up to support the latest Apple technologies, Notepad allows you to save, copy, paste and organize all your favorite snippets with ease.
People joke about what IDE they use often, things like Word, MS Notepad, sometimes even Eclipse, and then often times MS Paint. People joke about MS Paint because it's not even a text editor, people joke about it because it doesn't have one feature in common with IDEs.