Free to build on. Pay only if you need us on the hook.
Building a commercial product on Nebutra costs nothing — no fee, no licence key, no registration, no copyleft. Paid tiers sell support, SLAs, indemnification, and trademark rights, never permission.
MIT on npm · FSL-1.1-ALv2 on the repo, converting to Apache-2.0 after two years · commercial use free at any size.
Compare tiers
Everything is free. Pick how much of a commitment you need.
Every tier ships the full source code and permits closed-source commercial use at no cost. The differences are support, contractual commitments, and trademark rights.
| Community | Team | Enterprise | |
|---|---|---|---|
| License | |||
| License | MIT + FSL-1.1-ALv2 | MIT + FSL-1.1-ALv2 | MIT + FSL-1.1-ALv2 |
| Closed-source commercial use | ✓ | ✓ | ✓ |
| Registration | Not required | Not required | Not required |
| Trademark rights | — | — | White-label rights |
| Source Code | |||
| Full source code | ✓ | ✓ | ✓ |
| All packages & modules | ✓ | ✓ | ✓ |
| Updates | Unlimited | Unlimited + advance breaking-change notice | Unlimited + long-term support branch |
| Support | |||
| Support channel | Public issues & Discord | Private channel | Named contact |
| Guaranteed first response | — | 2 business days | 4 business hours |
| Security patch commitment | Best-effort | Best-effort | Contractual |
| Procurement | |||
| Indemnification | — | — | ✓ |
| Signed DPA & compliance pack | — | — | ✓ |
| Continuity undertaking | — | — | ✓ |
Pricing & licensing FAQ
Questions about license tiers, refunds, and commercial use rights.
Is Sailor a monthly SaaS subscription?+
No. This pricing is for Sailor source-code licenses: Independent is free, Startup is billed annually, and Enterprise is custom.
Do you offer refunds?+
Startup commercial licenses include a 14-day refund window for initial purchases. Enterprise terms are handled in the signed contract.
Can I use Sailor for client work?+
Yes. A commercial license lets your team ship closed-source client or internal products within the licensed scope; white-label rights require Enterprise approval.