Here are some additional resources for progressive policies that can be collectively implemented by the compact states: Please note none of these are affiliated with Free States Forever.
Project 2029:
A progressive counter-vision to the infamous Project 2029. A great source for progressive policies.
Blue State Defiance:
An Indivisible initiative focused on inter-state cooperation from Blue states to defy the Federal regime.
https://www.bluestatedefiance.org/
Project Reconstitution:
Created by Scholar Melissa Cosgrove, calls for care and relational-based philosophy at the root of our society in place of domination and competition.
https://www.projectreconstitution.org/