This is a bit of shameless plug, but if you are looking to manage subscriptions outside of Stripe, and simply use Stripe for payment processing, take a look at Kill Bill, the open-source subscription billing & payments platform: https://killbill.io/

- Stripe tutorial: https://docs.killbill.io/latest/stripe_plugin.html

Yes, it's all on top of Stripe. We're not trying to recreate the infrastructure that they've built