We are writing our own backend in Python, with the idea of publishing it under an open source license later on. Perhaps there are other open source solutions fo

We are writing our own backend in Python, with the idea of publishing it under an open source license later on. Perhaps there are other open source solutions for that too. Since I have multiple servers running for various projects there are no additional costs but the time I need to put into each week. The editors are helping lot too. As for business registration, the newsletter is just one project of my primary (umbrella) startup.