SunEditor
Pure javascript based WYSIWYG html editor, with no dependencies. Suneditor is a lightweight, flexible, customizable WYSIWYG text editor for your web applications.
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Editor.js
Next generation block styled editor. Meet the new editor, on our webpage you can see it in action. It is a block-styled editor, it returns clean data output in JSON, and it is designed to be extendable and pluggable with a simple API. Workspace in classic editors is made of a single contenteditable element, used to create different HTML markups. Editor.js workspace consists of separate Blocks: paragraphs, headings, images, lists, quotes, etc. Each of them is an independent contenteditable element (or more complex structure) provided by Plugin and united by Editor's Core. There are dozens of ready-to-use Blocks and the simple API for creation any Block you need. For example, you can implement Blocks for Tweets, Instagram posts, surveys and polls, CTA-buttons and even games. Classic WYSIWYG-editors produce raw HTML-markup with both content data and content appearance. On the contrary, Editor.js outputs JSON object with data of each Block.
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Mercury Editor
Mercury is a full featured HTML5 editor. It was built from the ground up to help your team get the most out of content editing in modern browsers. Mercury comes bundled as a Rails Engine, so just include it in your Gemfile. Or download the current bundled package if you're not using Rails. We don't inject javascript or css into your production pages so you're free to use whatever frameworks you want without having to worry about conflicts. Easily add or remove toolbar items or create entirely new tools. Any toolbar item can be tied to an action using behaviors and the command pattern. Full HTML, Simple, Markdown, Snippet and Image regions are supported by default, but you can just extend the base regions to build your own types. Built on top of the HTML5 contentEditable features, it natively supports the all the fancy new HTML5 elements, syntax, and JavaScript APIs.
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HTML-NOTEPAD
It is a WYSIWYG editor of structured documents, texts that have hierarchical and semantically meaningful structure, headers, lists, plaintext islands, tables and so on. HTML-NOTEPAD is not a “web page editor”. Don’t even expect to create “cool web pages” with it. With modern CSS, WYSIWYG Web design is simply impossible. Web pages are crafted manually by editing CSS, that is by nature of CSS. But still, HTML-NOTEPAD can be useful for Web designers too, for the cases when we need to create textual (yet structural) content of our pages. HTML-NOTEPAD uses Sciter Engine for its UI. That means it is small, fast, does not have external dependencies and works on all major desktop operating systems, Windows (from XP to 10), Mac OS, and Linux. WYSIWYG editing has limitations, some operations are significantly more convenient to do in source code representation. That’s why HTML-NOTEPAD supports “pass-through selection”.
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