Simple and powerful

It is not an UML editor with thousand features and rich stencils.
But it is powerful graphical tool for editing diagrams:) - Because of its simplicity.

Screencasts (on the support site) explain how to use the Bezier Path tool.

P.S.
It there an option to keep text horizontal when share is rotated?

vitaly.dv about Runway, v1.5.4