Jochen Kühner

https://html2canvas.hertzen.com/

at the moment ctrl + drag disables snaplines

we need to list every mouse keyboard combination anywhere and discuss wahts the best, or maybe make it configurable

https://www.useragentman.com/blog/2011/01/07/css3-matrix-transform-for-the-mathematically-challenged/

https://github.com/eduferfer/kor

should read elements and show properties

https://webflow.com/ 

editor.js for a document layout like in medium

iobroker vis: 

https://dragit.io/