This document summarizes one company's journey to establishing an open and collaborative culture called "innersource". It discusses how the company, CWT, encouraged cross-team collaboration and contribution through practices like configuration as code and infrastructure as code. It also describes how CWT used tools like GitHub and held events like lunch-and-learns and internal conferences to help build a community of practice and facilitate knowledge sharing. The benefits discussed include increased velocity, code reuse, and innovation through component teams collaborating in this more open way of working internally.