Github avatar generator is a Java application which is used to generate github-style avatars. There is a sample:

Using Gradle to build the application:

./gradlew build

Installing application and dependencies:

./gradlew install

After built the application, you can execute it like this:

./build/install/gh-avatar-generator/bin/gh-avatar-generator -s amazing_seed -o sample.png

The arguments were specificed as follows:

• -s: seed string, used to generate random color and block info
• -o: output file name