Polar
97 · HealthyBilling platform for software products, with subscriptions, usage billing, checkout and license keys.
Open source alternatives to Paddle
1 open source project replaces Paddle, ranked by how safe each is to depend on.
Polar
97 · HealthyAt a glance
Health and license are separate verdicts: a project can be well maintained and still not be open source.
| Project | Health | License | Stars |
|---|---|---|---|
| Polar | 97 · Healthy | Free to useApache-2.0 | 10k |
More in Billing & subscriptions
Paddle 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.