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Business & Automation Checked Sep 2, 2026
UniBee
Run subscription billing, invoices, usage metering, and revenue workflows with an open core you can self-host.
Best for: SaaS teams that need flexible billing logic, payment integrations, and ownership of their billing infrastructure.
What you can do with it
- Create SaaS subscription plans
- Bill by usage or tiers
- Automate invoices and dunning
- Connect payment gateways
- Track subscription revenue
Good to know
- Free self-hosted edition
- Usage and tiered billing
- Invoices, taxes, and dunning
- Gateway-agnostic integrations
Limitations
- Self-hosting needs engineering work
- Managed cloud plans are paid
- Payment compliance remains the teams responsibility
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