Klevu - Klevu offers instant site search solution for eCommerce stores.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.
Ortto - Journeys made simple. Your customer data, messaging and analytics working together.
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.
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.