Version: 5.6b (switch to 5.5)
Sprite Editor
Sprite Packer

[BETA] Sprite Outline Editor

5.6 BETA DOCUMENTATION
This is first draft documentation for a feature that is currently in beta in Unity 5.6. As such, the information in this document may be subject to change before final release.

See first draft Sprite Outline Editor documentation.
Sprite Editor
Sprite Packer