For the Cobub Razor Web, it is under the GPL V3 license, which basically means you are free to do as you want. You must however keep the software under the GPL V3 license.
For the Cobub Razor SDKs (Andoird/iOS/WinPhone), they are under the LGPL V3 license.
Troubleshooting
Why I can not pass the directories and files permission check when Install Cobub Razor under Linux?