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

PayJunction - PayJunction powers mid- to large-scale businesses with smart payment processing, electronic signature capturing, and comprehensive multi-user multi-location reporting.

Xapian - Xapian is an open source probabilistic information retrieval library, released under the GNU...

PayAnywhere - PayAnywhere is a smart payment processing platform that comes with the modular methodology to streamline your business process with instant payments.

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.

Web Payment Software - Web Payment Software is a reliable solution for your business payment processing for both local and international merchants.