Observability / APM
Apache SkyWalking
Apache Software Foundation
Mature full-stack OSS APM with many language agents + eBPF, service topology and service-mesh observability — strong in Java/microservices and APAC.
- Category
- Observability / APM
- License
- Open source
- Deployment
- Self-hosted
- Cost
- Free
- Free tier
- Yes
- Self-host effort
- Heavy
- Maturity
- Established
- Popularity
- ≈22k GitHub stars
The catch
Powerful but operationally heavy and somewhat dated UX; you self-manage storage/scaling, and momentum has shifted toward OTel-native newcomers.
Monitors
ServersMetricsLogsTracesK8sProfiling
Capabilities
Distributed tracingDashboardsAlertingTopology mapping
Built for
EnterpriseSRE / DevOps