The following are common methods you will want to call in your front end templates:
craft.socialFeeds.getAllFeeds()#Returns a collection of Feed objects.
craft.socialFeeds.getAllEnabledFeeds()#Returns a collection of enabled Feed objects.
craft.socialFeeds.getFeedById(id)#Returns a Feed object by its ID.
craft.socialFeeds.getFeedByHandle(handle)#Returns a Feed object by its handle.
craft.socialFeeds.getAllSources()#Returns a collection of Source objects.
craft.socialFeeds.getAllEnabledSources()#Returns a collection of enabled Source objects.
craft.socialFeeds.getAllConfiguredSources()#Returns a collection of configured Source objects.
craft.socialFeeds.getSourceById(id)#Returns a Source object by its ID.
craft.socialFeeds.getSourceByHandle(handle)#Returns a Source object by its handle.
craft.socialFeeds.getPosts(feedHandle, options)#Returns a collection of Post objects for the provided Feed handle.
craft.socialFeeds.renderPosts(feedHandle, options)#Returns the HTML of rendered Post objects for the provided Feed handle.
Available for Craft 4. Get it from the plugin store.