What are some alternatives?
When comparing ContentTools and CLEditor, you can also consider the following products
CKEditor - Real-time collaborative future-ready rich text editor
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
Adobe Dreamweaver - Adobe Dreamweaver is a proprietary web development tool developed by Adobe Systems.
AlloyEditor - Modern WYSIWYG editor built with a sleek React UI on top of CKEditor
SCEditor - A lightweight WYSIWYG BBCode & HTML editor