autoComplete.js - Simple autocomplete pure vanilla Javascript library.

MathCrunch - Learn math stress free

React-InstantSearch by Algolia - The easiest way to add lightning-fast search to React apps

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Mixpeek - Mixpeek is an API that enhances your app with a search engine that spans all your image, audio, video and PDF files regardless of location.

Paperspade - Type math easily through just English text!