"CERA Wordpress Theme" - CERA template WordPress by Themosaurus. Multi-Purpose Intranet & Extranet Membership, Social Network & BuddyPress Community Theme. Cera is a theme that integrates seamlessly with BuddyPress, Paid Memberships Pro, WooCommerce, BBPress, The Events Calendar, LearnDash and many more. It makes good use of the Customizer, allowing you to build a tailor-made Community plateform using custom color, typography and layout options.