Table of Contents
Licensing
ChibiOS is available under 3 options:
- Entirely free and Open Source under a mix of GPL3 and Apache2.0 licenses depending on the module.
- Free under a commercial licenses with some restrictions (no GPL code).
- Full commercial license with several purchase options: 1000 cores, 5000 cores, unlimited.
| License | Type | Cost | Notes | Use cases | Obtain |
|---|---|---|---|---|---|
| GPL3 Apache2.0 | FOSS1 | Free | no | Evaluation, open source projects, hobby, teaching, learning, business where GPL3 license is acceptable. | Download Now |
| Commercial Free | Proprietary | Free | yes2 | Small volumes, prototyping. | Request a License |
| Commercial Full | Proprietary | Paid | no | Large scale deployment3. | Request a Quote |
- Free/Open-Source Software.
- Mandatory advertisement of ChibiOS use in products. Maximum 500 cores deployment, renewable. Read-only source code. Some advanced features not available.
- Available in 1000, 5000 or unlimited cores deployment options.
Products Licensing Matrix
The various products that are part of ChibiOS are available under different licenses, this is the matrix:
| Component | GPL3 | Apache2.0 | Commercial Free | Commercial Full | Notes |
|---|---|---|---|---|---|
| RT | yes | no | yes | yes | |
| NIL | yes | no | yes | yes | |
| RT/NIL ports | yes | no | yes | yes | |
| OSLIB | yes | no | yes | yes | |
| SB | yes | no | yes | yes | |
| EX | yes | no | yes | yes | |
| HAL | no | yes | no | no | It is a free-only product. |
Licensing F.A.Q.
The following matrix describes what you can or can't do under the various licensing schemes:
| Question | GPL3 | Apache2.0 | Commercial Free | Commercial Full |
|---|---|---|---|---|
| Is ChibiOS free? | free | free | free | priced |
| Can I use ChibiOS in my closed source embedded product? | no | yes | yes | yes |
| Do I have to open my source code? | yes | no | no | no |
| Do I have the right to modify the ChibiOS source code? | yes | yes | read-only | yes |
| Do I have to open source my changes to ChibiOS? | yes | no | - | no |
| Do I have to document that my product uses ChibiOS? | yes | no | yes | no |
| Do I have to offer the ChibiOS code to users of my product? | yes | no | no | no |
| Is support available? | public | public | public | public or premium |
| Is a warranty provided? | no | no | no | yes |
| Is ChibiOS deployment unlimited? | unlimited | unlimited | 500 | 1000, 5000 or unlimited |
| Differences in features? | full | full | intermediate | full |
License Details and Prices
Commercial documents, please Contact us for details.
Licenses
Note that additional licensing solutions can be discussed, the list includes only common ones.
- eula_dscl_1000.pdf, 71.9 KiB
- eula_dscl_5000.pdf, 71.9 KiB
- eula_dsgl.pdf, 72.7 KiB
- eula_fogl.pdf, 72.0 KiB
- eula_pscl.pdf, 72.7 KiB
- eula_psgl.pdf, 72.7 KiB
- licenses_summary.pdf, 73.2 KiB
Prices
This is for reference only it is recommended to Request an Official Quote.
- prices.pdf, 74.0 KiB