Alt click on a node connection automatically disconnect it from the other nodes. And there is some nodes which can be easily summoned by pressing a key and clicking at the same time. Like B+click will place a branch, and S+click a sequence.
If you're willing to compile it, Aseprite is a great option as well.
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Check out a tool that can let you make a selfie with your smartphone and get your personalized 3D avatar in a few minutes.
itSeez3D Avatar SDK is an advanced smartphone-based 3D scanning technology that is said to turn a single selfie photo into a photorealistic 3D avatar.
Using just a camera of a smartphone with no additional hardware, itSeez3D Avatar SDK allows to create a high quality 3D model of a face ready for gaming, virtual and augmented reality experience – all in a couple of minutes.
You can find more info on the toolkit and start using it here.