Postcard: Open-Source Personal Website & Newsletter Tool

In 2022, Philip Thomas launched Postcard, a personal website and newsletter tool, as a replacement for social media to stay connected with friends. Postcard gained thousands of users, and despite modest revenue, the author continues to maintain it. Now, the author is open-sourcing the code, allowing developers to contribute and customize. Postcard is a simple Ruby on Rails application, supporting both single-user and multi-user modes. Deployment is straightforward with a Dockerfile and render.yaml for easy deployment on Render.