The artwork is yours. The runtime is the only thing with terms.

Lerpa is two pieces under two licences, and almost everybody only ever touches the free half. This page exists so you can settle it in a minute instead of emailing a stranger about it.

Which applies to you

Four cases, and three of them are free.

Free: You baked .lerpa files and want to use them — anywhere, including in a product you sell. Baked artwork carries no obligation from this project at all. The output is yours.
Free: You are evaluating Lerpa, or using it in internal tooling you never distribute.
Free: Your own project is licensed under the AGPL too.
Commercial: You want to ship the web runtime inside a product whose source you do not publish. That is the one case the AGPL cannot cover, and the one the commercial licence exists for.

The dividing line is the runtime, not the pictures. If your users download player.js as part of a closed-source app, you need a licence. If they download a .lerpa and something else draws it — or nothing does, because it is a valid SVG and the browser just shows it — you do not.

Why two licences

AGPL for the commons, a commercial licence for everyone it doesn't fit.

The web runtime — AGPL-3.0-or-later

Section 13 requires that anyone interacting with the software over a network can obtain the complete source of your version. For most commercial products that means publishing code you would rather keep private. A commercial licence removes that condition and nothing else.

The Blender add-on — GPL-3.0-or-later

It links against Blender's Python API, so it is GPL and permanently will be. A copy you receive is yours to redistribute. The commercial licence is not about the add-on; it exists for the runtime.

The author owns the whole copyright, which is what makes two sets of terms possible on one codebase. Buying a licence funds the work.

What a commercial licence covers

Unlimited applications, one organisation, priority support.

Covers: Unlimited applications within one organisation.
Includes: Priority support, and the Blender add-on used to author the files.
Term: Annual, with a perpetual fallback for versions released while it was active — so letting it lapse never turns off what you already shipped.

Buy a commercial licence See all tiers

Still unsure whether you need one? Say what you are building to abbasalshalchi@gmail.com and you will get a straight answer, including “you don't”.