Search engine that provides full-text search using JSON interface over HTTP protocol. Elasticsearch excels in indexing streams of semi-structured data such as logs or decoded network packets.
Data collecting and log-parsing engine.
Data shippers that you install as agents on your servers to send operational data to Elasticsearch. Beats can send data directly to Elasticsearch or via Logstash for further processing.
Visualisation dashboard on top of the content indexed on an Elasticsearch cluster. Kibana is used to search, view and interact with data stored in Elasticsearch indices.