Alternatives to Stripe

Open-source subscription billing platform

Kill Bill is the open-source billing platform for teams whose subscription logic doesn't fit in Stripe's box. Plugin-driven, Java-based, and battle-tested in telecoms and fintech — it handles the gnarly edge cases like prorations, usage-based billing, multi-currency, and complex plan transitions.

Markdown for the component era

MDX lets you put React components inside Markdown. Write prose in Markdown, drop in an interactive chart, a live code editor, or a custom callout box — all in the same file.