MediaWikiWidgets.org is a community project to maintain a collection of widgets for MediaWiki Widgets extension.
MediaWiki Widgets extension allows adding widgets to wiki by just creating pages in Widget namespace.
Apple recently announced a new API that allows third party websites and apps to embed Live Photos. Live Photos has been around since 2015; however, embedding Live Photos outside of a Mac or iOS environment has been somewhat challenging to date. The Live Photos API should alleviate that difficulty.