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.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Coveo - Enterprise search technology for better customer support, customer self-service, and knowledge management in the digital workplace.
Zabbix - Track, record, alert and visualize performance and availability of IT resources