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.

Spike.sh - Spike is an incident management platform that alerts via slack, phone and email and automatic escalations to help teams fix infrastructure problems.

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

Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Dynamic Yield - Personalization & customer experience management

Sendblue - Programmatically send iMessage and SMS