Logs
OpenSearch
OpenSearch Software Foundation (Linux Foundation)
The community-governed, Apache-2.0 fork of Elasticsearch/Kibana (born when Elastic relicensed), with logs, search, security analytics and Dashboards — AWS's managed OpenSearch is the hosted form.
- Category
- Logs
- License
- Open source
- Deployment
- SaaS or self-hosted
- Cost
- Free
- Free tier
- Yes
- Self-host effort
- Heavy
- Maturity
- Established
- Popularity
- ≈10k GitHub stars; the Apache-2.0 Elasticsearch fork
The catch
Truly open, but you still operate a JVM cluster (shards, lifecycle, scaling), and it trails upstream Elastic on some newer features after the fork diverged.
Monitors
LogsMetricsTracesSecurity
Capabilities
AlertingDashboardsRBACAPI
Built for
EnterpriseSRE / DevOps