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.

Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.

Optimizely - A/B testing you'll actually use.

Zoho CRM - Omnichannel CRM for Businesses of all sizes

Dynamic Yield - Personalization & customer experience management

Freshsales CRM - A full-fledged CRM for high-velocity sales teams.