Equation Editor
Standalone Example
Source Code
<head>
<script src="https://latex.codecogs.com/js/eqneditor.api.min.js"></script>
</head>
<body>
<div id="equation-editor">
<div id="history"></div>
<div id="toolbar"></div>
<div id="latexInput" autocorrect="off"></div>
<div id="equation-output">
<img id="output"/>
</div>
</div>
</body>
See the Documentation and API for more information on configuring the editor.
fxRender CKEditor Tiny MCE