Algolia is the search & discovery API for websites and mobile apps. they help the most innovative companies across e-commerce, media and SaaS industries create powerful, relevant and scalable discovery experiences for their users.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.
YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.