Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.

MathCrunch - Learn math stress free

ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.

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.

Citrix Gateway - Critix Gateway is a unified gateway for users that makes it easy for them to remotely access infrastructure with the help of a single sign-on across all applications.

Paperspade - Type math easily through just English text!