It's worth noting that we didn't cover three other view types that are also available: kanban, gantt, and diagram.
Kanban views will be covered in detail in Chapter 10, Kanban Views and Client Side QWeb.
The gantt view was available until Version 8.0, but it was removed in Version 9.0 Community Edition because of license incompatibilities. An equivalent view is available in the Enterprise Edition. For a community open source alternative, you may want to have a look at the web_timeline module, hosted at https://github.com/OCA/web. At the time of writing, this module hasn't yet been ported to Odoo 11.
Finally, the diagram views are used in quite specific cases, and an addon module will need them rarely. Just in case, you might ...
