Solr

With turn-key integrations, Datadog seamlessly aggregates metrics and events across the full DevOps stack.
SaaS and Cloud providers
Automation tools
Monitoring and instrumentation…

Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene…

MongoDB is a general-purpose, document-based, distributed database built for modern application developers and for the cloud era. MongoDB is a document database, which means it stores data in JSON-like documents…

Algolia’s search-as-a-service and a full suite of APIs allow teams to easily develop tailored, fast Search and Discovery experiences that delight and convert. Your users want an intuitive shopping experience…

Elasticsearch is a distributed, RESTful search and analytics engine capable of storing data and searching it in near real-time. Elasticsearch, Kibana, Beats, and Logstash are the Elastic Stack (sometimes called the ELK Stack))…