Athens
A Go module datastore and proxy
...There are many reasons why you’d want a proxy server such as security and performance. Athens is a project building on top of vgo (or go1.11+) trying to bring dependencies closer to you so you can count on repeatable builds even at a time when VCS is down. The big goal of Athens is to provide a new place where dependencies — not code — live. Dependencies are immutable blobs of code and associated metadata that come from Github. They live in storage that Athens controls. You probably already know what “immutable” means, but let me just point it out again because it’s really important for this whole system. ...