Available cubes---------------An instance is based on several basic cubes. In the set of availablebasic cubes we can find for example :Base entity types~~~~~~~~~~~~~~~~~* addressbook_: PhoneNumber and PostalAddress* card_: Card, generic documenting card* event_: Event (define events, display them in calendars)* file_: File (to allow users to upload and store binary or text files)* link_: Link (to collect links to web resources)* mailinglist_: MailingList (to reference a mailing-list and the URLs for its archives and its admin interface)* person_: Person (easily mixed with addressbook)* task_: Task (something to be done between start and stop date)* zone_: Zone (to define places within larger places, for example a city in a state in a country)Classification~~~~~~~~~~~~~~* folder_: Folder (to organize things but grouping them in folders)* keyword_: Keyword (to define classification schemes)* tag_: Tag (to tag anything)Other features~~~~~~~~~~~~~~* basket_: Basket (like a shopping cart)* blog_: a blogging system uxing Blog and BlogEntry entity types* comment_: system to attach comment threads to entities)* email_: archiving management for emails (`Email`, `Emailpart`,`Emailthread`), trigger action in cubicweb through email.._addressbook: http://www.cubicweb.org/project/cubicweb-addressbook.._basket: http://www.cubicweb.org/project/cubicweb-basket.._card: http://www.cubicweb.org/project/cubicweb-card.._blog: http://www.cubicweb.org/project/cubicweb-blog.._comment: http://www.cubicweb.org/project/cubicweb-comment.._email: http://www.cubicweb.org/project/cubicweb-email.._event: http://www.cubicweb.org/project/cubicweb-event.._file: http://www.cubicweb.org/project/cubicweb-file.._folder: http://www.cubicweb.org/project/cubicweb-folder.._keyword: http://www.cubicweb.org/project/cubicweb-keyword.._link: http://www.cubicweb.org/project/cubicweb-link.._mailinglist: http://www.cubicweb.org/project/cubicweb-mailinglist.._person: http://www.cubicweb.org/project/cubicweb-person.._tag: http://www.cubicweb.org/project/cubicweb-tag.._task: http://www.cubicweb.org/project/cubicweb-task.._zone: http://www.cubicweb.org/project/cubicweb-zoneTo declare the use of a component, once installed, add the name of the componentto the variable `__use__` in the file `__pkginfo__.py` of your own component...note:: The listed cubes above are available as debian-packages on `CubicWeb's forge`_..._`CubicWeb's forge`: http://www.cubicweb.org/project?vtitle=All%20cubicweb%20projects