Description: Elasticsearch is a popular open-source search and analytics engine built on Apache Lucene. It provides a distributed, multitenant capable full-text search engine with an HTTP web interface and schema-free JSON documents.
Type: software
Pricing: Freemium
Description: Nebula Graph is an open-source, distributed graph database designed to store and manage graph data at scale. It features high concurrency, low latency, and high availability for storing trillion-edge graphs.
Type: software
Pricing: Open Source