Odoo 12 Community Edition
Odoo 12 Community Edition is licensed under LGPL version 3 (also known as LGPLv3). See also the GPL FAQ and the compatibility matrix.
Odoo 12 Enterprise Edition
Odoo 12 Enterprise Edition is licensed under the Odoo Enterprise Edition License v1.0, defined as follows:
Odoo Enterprise Edition License v1.0
This software and associated files (the "Software") can only be used (executed, modified, executed after modifications) with a valid Odoo Enterprise Subscription for the correct number of users.
With a valid Partnership Agreement with Odoo S.A., the above permissions are also granted, as long as the usage is limited to a testing or development environment.
You may develop Odoo modules based on the Software and distribute them under the license of your choice, provided that it is compatible with the terms of the Odoo Enterprise Edition License (For example: LGPL, MIT, or proprietary licenses similar to this one).
You may use Odoo modules published under any license along with the Software, provided that their license is compatible with the terms of the Odoo Enterprise License (Including, but not limited to, any module published on the Odoo Apps Store on odoo.com/apps)
It is forbidden to publish, distribute, sublicense, or sell copies of the Software or modified copies of the Software.
The above copyright notice and this permission notice must be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Odoo Apps
Unless otherwise stated, Odoo Apps by Odoo SA (including the website themes) are published under the Odoo Proprietary License v1.0, defined as follows
Odoo Proprietary License v1.0
This software and associated files (the "Software") may only be used (executed, modified, executed after modifications) if you have purchased a valid license from the authors, typically via Odoo Apps, or if you have received a written agreement from the authors of the Software (see the COPYRIGHT file).
You may develop Odoo modules that use the Software as a library (typically by depending on it, importing it and using its resources), but without copying any source code or material from the Software. You may distribute those modules under the license of your choice, provided that this license is compatible with the terms of the Odoo Proprietary License (For example: LGPL, MIT, or proprietary licenses similar to this one).
It is forbidden to publish, distribute, sublicense, or sell copies of the Software or modified copies of the Software.
The above copyright notice and this permission notice must be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Odoo 11
The licenses for both editions of Odoo 11 were respectively the same as for Odoo 12 Community Edition and Odoo 12 Enterprise Edition.
Odoo 10
The licenses for both editions of Odoo 10 were respectively the same as for Odoo 12 Community Edition and Odoo 12 Enterprise Edition.
Odoo 9
The licenses for both editions of Odoo 9 were respectively the same as for Odoo 12 Community Edition and Odoo 12 Enterprise Edition.
Odoo 8
Odoo 8 is licensed under AGPL version 3 (also known as AGPLv3). See also the GPL FAQ and the compatibility matrix.