# Licensing

ATick is **dual-licensed**: **free for personal & open use, paid if you sell.**

## 1. Free — GNU AGPL-3.0

ATick is free under the [GNU AGPL-3.0](LICENSE) for:

- **personal** projects, learning, and evaluation,
- **internal / in-house** use,
- **open-source** projects released publicly under AGPL-3.0.

You may use, study, and modify it at no cost.

## 2. Paid — Commercial license (required to sell)

If you **build a product with ATick and sell, resell, or distribute it commercially**, or use ATick
in any **closed-source / commercial** product, you must **purchase a commercial license first**.

**You may begin selling or shipping only after the commercial-license fee is paid and your license
is issued.** Pricing depends on use (per product / per seat / per revenue tier).

> Contact **aniketc.pro@gmail.com** for a commercial-license quote.

| Your use | License | Cost |
|---|---|---|
| Personal / learning / internal | AGPL-3.0 | **Free** |
| Open-source project (public, AGPL-3.0) | AGPL-3.0 | **Free** |
| **Selling a product built with ATick** | **Commercial** | **Paid** |
| Closed-source / proprietary / commercial product | **Commercial** | **Paid** |

Selling or shipping a commercial product built on ATick **without** a paid commercial license
violates this license.
