Open source alternatives to Orb

4 open source projects replace Orb, ranked by how safe each is to depend on.

98 · Healthy

Usage metering and billing engine for subscriptions, usage-based plans, credits and invoicing.

AGPL-3.0★ 11kLast commit yesterday

90 · Healthy

Pricing and billing layer on top of Stripe that handles plans, usage limits, credits and feature access.

Free to useApache-2.0★ 2.8kLast commit today

88 · Healthy

Real-time usage metering for AI, API and infrastructure products, feeding usage-based billing.

Free to useApache-2.0★ 2.4kLast commit yesterday

72 · Stable

Usage-based pricing and billing with real-time metering, credits and top-ups, and feature entitlements.

Free core, paid extrasAGPL-3.0★ 6.9kLast commit yesterday

98 · Healthy

90 · Healthy

88 · Healthy

72 · Stable

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

Project	Health	License	Stars	Last commit
Lago	98 · Healthy	Free, share hosted changesAGPL-3.0	11k	yesterday
Autumn	90 · Healthy	Free to useApache-2.0	2.8k	today
OpenMeter	88 · Healthy	Free to useApache-2.0	2.4k	yesterday
Flexprice	72 · Stable	Free core, paid extrasAGPL-3.0	6.9k	yesterday

Orb is a paid billing & subscriptions product. See all open source billing & subscriptions tools, ranked the same way.

Scores last refreshed from GitHub on 9 October 2026. How we score.