Gumroad, a platform known for enabling creators to sell products directly to consumers, has transitioned to an open-source model. This means that the underlying code for Gumroad's platform is now available to the community, encouraging collaboration and transparency. The comments suggest excitement about the platform being built on Ruby on Rails, which is a popular framework for web development. Being open source could lead to increased innovation as developers can contribute to the platform's evolution, adapt it to their needs, and enhance its features. This move aligns with a growing trend in the tech industry where companies open-source their products to harness community input and creativity, potentially leading to faster development cycles and a richer developer ecosystem.