This looks pretty cool and has as nice modern look to it. I can see did a good job with the layout/design too. If you don't mind sharing (or if anyone knows o

This looks pretty cool and has as nice modern look to it. I can see did a good job with the layout/design too. If you don't mind sharing (or if anyone knows of any toolkits/libraries): I wanted to try getting at drawing some custom diagrams and was unsure where to begin coding just project. Any know of anything that comes to mind?