Mobile-friendly Online Code Editor/Playground – WebDen
An open-source online code editor/playground that allows you to edit and run HTML/JS/CSS codes on the client side.
JavaScript & CSS editor
Easy Extensible Mardown Editor In JavaScript – Downarea
A lightweight, responsive, resizable, and extensible markdown editor written in pure JavaScript.
Multi-purpose WYSIWYG Rich Text Editor – Kothing-Editor
Kothing-Editor is a modern, multi-purpose WYSIWYG rich text editor for the web.
Simple Extensible Code Editor – Copenhagen
A simple, lightweight, extensible code editor that supports popular languages like HTML, CSS, JavaScript, JSON, Markdown, and Plain Text.
Tiny Rich Text HTML Editor In JavaScript – textEditor.js
A minimal clean rich text HTML editor (WYSIWYG editor) that provides basic content editing functionalities like alignment, text styling, lists, images, links, and instant preview.
Minimal WYSIWYG Text Editor – Writty
Writty is a lightweight, writer-centric online WYSIWYG text editor to provide a fresh new editing experience on your web application.
Cross-browser Code Editor For Browser – codejar
codejar is a small JavaScript library to insert a cross-browser text/code/markup editor on the webpage.
Tiny HTML/CSS/JavaScript Code Editor – OnCode
A small, fast, pretty clean HTML/CSS/JavaScript code editor with support for autocomplete/autosuggest and syntax highlighting.
Minimal Text Editor With JavaScript – composure
composure is a minimalist text editor using pure JavaScript and CSS focused on writing and performance.
Lightweight Powerful Text Editor With JavaScript
This is a lightweight yet powerful and extendable text editor written in pure JavaScript.