Logstash is #6 in Top 13 Cloud Monitoring tools
Last updated: December 01, 2019
Website: http://logstash.net/

logstash is a tool for managing events and logs. You can use it to collect logs, parse them, and store them for later use (like, for searching). Speaking of searching, logstash comes with a web interface for searching and drilling into all of your logs.
Positions in ratings
#6 in Top 13 Cloud Monitoring tools
Alternatives
The best alternatives to Logstash are: Splunk, Apache Kafka, Loggly