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Kill Bill vs Lago: catalog facts
Kill Bill	Lago
Freemium The open-source core is free to self-host; managed and supported offerings are paid.	Freemium Free to self-host under AGPL-3.0; Lago Cloud is a paid hosted option.
Self-hosted	Web, Self-hosted, Command line
Long-running project used in production for many years Modular design with a plugin framework	Usage metering combined with subscriptions and prepaid credits API, SDKs, CLI and MCP server for integration
Aimed at developers integrating billing, not at non-technical users Running and scaling the deployment is your responsibility	Built for developers integrating billing into a product Hosted cloud and sales contact are geared to companies
Self-hosted	Self-hosted, Hosted service
Open source	Open source
License: Apache-2.0	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.