Graylog vs Logstash: What are the differences?
Graylog: Open source log management that actually works. Centralize and aggregate all your log files for 100% visibility. Use our powerful query language to search through terabytes of log data to discover and analyze important information; Logstash: Collect, Parse, & Enrich Data. 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). If you store them in Elasticsearch, you can view and analyze them with Kibana.
Graylog and Logstash can be primarily classified as "Log Management" tools.
"Powerfull" is the top reason why over 9 developers like Graylog, while over 60 developers mention "Free" as the leading cause for choosing Logstash.
Graylog and Logstash are both open source tools. It seems that Logstash with 10.3K GitHub stars and 2.78K forks on GitHub has more adoption than Graylog with 4.9K GitHub stars and 759 GitHub forks.
Airbnb, reddit, and Bitbucket are some of the popular companies that use Logstash, whereas Graylog is used by CircleCI, AppBrain, and Dial Once. Logstash has a broader approval, being mentioned in 561 company stacks & 278 developers stacks; compared to Graylog, which is listed in 75 company stacks and 21 developer stacks.