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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John DeRiggi has nice four-part video breakdown of his pipeline for low poly characters. The artists demonstrates his techniques with the help of one of the characters from The World of Lexica, a mobile game on iPad created by Schell Games for Amplify Education.
- UV layout: Maya
- Texture preparation: Zbrush, XNormal, Photoshop, Quixel NDO/DDO
- Texture layer structure: Photoshop
- Diffuse texture: Photoshop, Quixel DDO
- Specular texture: Photoshop
This pipeline can be applied to mobile and online games, different engines and platforms, especially games with many characters on screen at once where more optimized meshes and textures are needed.
You can also get the breakdown for free on his Gumroad.