Here is a list of plugins(from Wordpress site) compatible and tested with Woffice. Of course it's compatible with many others, these ones have been tested and match most of the needs.
Buddypress - https://wordpress.org/plugins/buddypress/
BBpress - https://wordpress.org/plugins/bbpress/
Wise Chat - https://wordpress.org/plugins/wise-chat/
Visualizer Graphs - https://wordpress.org/plugins/visualizer/
Support Plus Responsive https://wordpress.org/plugins/wp-support-plus-responsive-ticket-system/
Facebook connect - https://wordpress.org/plugins/nextend-facebook-connect/
Eonet Manual User Approve - https://wordpress.org/plugins/eonet-manual-user-approve/
WP trello - https://wordpress.org/plugins/wp-trello/
Activity plus - https://wordpress.org/plugins/buddypress-activity-plus/
Woocommerce - https://wordpress.org/plugins/woocommerce/
Si Captcha - https://wordpress.org/plugins/si-captcha-for-wordpress/
User role editor - https://wordpress.org/plugins/user-role-editor/
Contact form 7 - https://wordpress.org/plugins/contact-form-7/
Cache - https://wordpress.org/plugins/wp-super-cache/
SEO - https://wordpress.org/plugins/wordpress-seo/
Rt media - https://wordpress.org/plugins/buddypress-media/
Gantt - https://wordpress.org/plugins/wpit-gantt/
BigBlueButton - https://wordpress.org/plugins/bigbluebutton/
Custom Xprofile fields - https://wordpress.org/plugins/buddypress-xprofile-custom-fields-type/
Full Width videos - https://wordpress.org/plugins/advanced-responsive-video-embedder/
Easy Twitter Feed Widget - https://wordpress.org/plugins/easy-twitter-feed-widget/
Advanced Recent Posts - https://wordpress.org/plugins/advanced-recent-posts/
Social Articles - https://it.wordpress.org/plugins/social-articles/