This package helps you importing .ase files from aseprite. The reader is fully written in C# which reads the compressed binary file and creates spritesheets, sprites and animations out of it.
OpenUPM lets you install packages more easily by providing a downloadable unity package which will setup the package automatically. You can find the download on the following link:
https://openupm.com/packages/io.tinu.asepriteimporter/
See: https://openupm.com/docs/getting-started.html#installing-openupm-cli
# Go to your Unity project directory
cd YOUR_UNITY_PROJECT_DIR
# Install package: io.tinu.asepriteimporter
openupm add io.tinu.asepriteimporter
Window > Package Manager
).Add package from git URL...
https://github.com/martinhodler/unity-aseprite-importer.git
) and press Enter
See LICENSE file.
Note: As of Unity doesn't include any editor scripts in the game, you don't have to license your game under GPL.