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+Friendica is using ActivityStreams in version 1.0 for its actions. Additional types are using for non standard actions.
+
+# Activities 
+## ACTIVITY_LIKE
+* http://activitystrea.ms/schema/1.0/like
+
+## ACTIVITY_DISLIKE
+* http://purl.org/macgirvin/dfrn/1.0/dislike
+
+## ACTIVITY_FRIEND
+* http://activitystrea.ms/schema/1.0/make-friend
+
+## ACTIVITY_REQ_FRIEND
+* http://activitystrea.ms/schema/1.0/request-friend
+
+## ACTIVITY_UNFRIEND
+* http://activitystrea.ms/schema/1.0/remove-friend
+
+## ACTIVITY_FOLLOW
+* http://activitystrea.ms/schema/1.0/follow
+
+## ACTIVITY_UNFOLLOW
+* http://activitystrea.ms/schema/1.0/stop-following
+
+## ACTIVITY_JOIN
+* http://activitystrea.ms/schema/1.0/join
+
+## ACTIVITY_POST
+* http://activitystrea.ms/schema/1.0/post
+
+## ACTIVITY_UPDATE
+* http://activitystrea.ms/schema/1.0/update
+
+## ACTIVITY_TAG
+* http://activitystrea.ms/schema/1.0/tag
+
+## ACTIVITY_FAVORITE
+* http://activitystrea.ms/schema/1.0/favorite
+
+## ACTIVITY_POKE
+* http://purl.org/zot/activity/poke
+
+## ACTIVITY_MOOD
+* http://purl.org/zot/activity/mood
+
+# Object Types
+## ACTIVITY_OBJ_BOOKMARK
+* http://activitystrea.ms/schema/1.0/bookmark
+
+## ACTIVITY_OBJ_COMMENT
+* http://activitystrea.ms/schema/1.0/comment
+
+## ACTIVITY_OBJ_NOTE
+* http://activitystrea.ms/schema/1.0/note
+
+## ACTIVITY_OBJ_PERSON
+* http://activitystrea.ms/schema/1.0/person
+
+## ACTIVITY_OBJ_IMAGE
+* http://activitystrea.ms/schema/1.0/image
+
+## ACTIVITY_OBJ_PHOTO
+* http://activitystrea.ms/schema/1.0/photo
+
+## ACTIVITY_OBJ_VIDEO
+* http://activitystrea.ms/schema/1.0/video
+
+## ACTIVITY_OBJ_EVENT
+* http://activitystrea.ms/schema/1.0/event
+
+## ACTIVITY_OBJ_GROUP
+* http://activitystrea.ms/schema/1.0/group
+
+## ACTIVITY_OBJ_TAGTERM
+* http://purl.org/macgirvin/dfrn/1.0/tagterm
+
+## ACTIVITY_OBJ_PROFILE
+* http://purl.org/macgirvin/dfrn/1.0/profile
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