TinyMCE is an online rich-text editor. WebAsOne integrates with bootstrap4, Goggle, and Font Awesome.  
Integrated TinyMCE with CSS and Javascript.
CodeMirror is a code editor component for the web. To create integrated HTML, CSS, and Javascript codes.
SVG-Edit is a open source online svg editor.
ImageMagick, invoked from the command line as magick, is a free and open-source cross-platform software suite for displaying, creating, converting, modifying, and editing raster images. 
WebAsOne implements, compress, modify, and composes images using ImageMagick.