D3 based reusable chart library
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Sanity is a platform for structured content. It comes with an open-source, headless CMS that can be customized with Javascript, a real-time hosted data store and an asset delivery pipeline.
Vimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.