Grizzly source are located in the Java.Net git repository.

Grizzly 2.x trunk could be checked out using following command:

git clone git://java.net/grizzly~git

Latest stable Grizzly 2.2.10 release could be checked out using following command:

git clone git://java.net/grizzly~git
cd grizzly~git
git checkout 2_1_2