The main repository for Entwine is located on github at https://github.com/connormanning/entwine.
You can obtain a copy of the active source code by issuing the following command:
git clone https://github.com/connormanning/entwine.git
The fastest way to get going with Entwine is to use the Conda build. See the Quickstart for more information. The Conda build will always contain the most recent released version of Entwine.