
Pixie
Observability
Open source observability tool for Kubernetes using eBPF to automatically capture telemetry data without code instrumentation.

Observability
Open source observability tool for Kubernetes using eBPF to automatically capture telemetry data without code instrumentation.

Container Networking
Cilium is an open-source eBPF-based networking, observability, and security platform for Kubernetes and cloud-native environments.
Monitoring & Observability
Open source observability platform with status pages, monitoring, on-call management, and incident management.
Price$22 / month
Price position: below this category's displayed range.Monitoring & Observability
Open-source server and infrastructure health monitoring tool with alerting, automated incident detection, and an elegant dashboard.

Monitoring & Observability
OpenReplay is an open-source session replay platform for debugging web applications with user experience insights and performance monitoring.

Monitoring & Observability
groundcover helps engineering teams observe Kubernetes, microservices, and cloud-native systems with a modern performance and cost posture.
Price$30+ / month
Starting price: below the category median.
Monitoring & Observability
Uptrace is an open-source distributed tracing and observability tool built on OpenTelemetry that provides cost-effective monitoring for applications and infrastructure.
Price$20+ / month
Price position: below this category's displayed range.Monitoring & Observability
Open-source service level objective manager for Prometheus that translates SLOs into burn-rate alerts and recording rules.

Service Mesh Platforms
Istio is an open-source service mesh that provides traffic management, security, and observability for microservices running on Kubernetes.

Monitoring & Observability
Helicone is an open-source LLM observability platform providing request logging, cost tracking, caching, and evaluation tools for AI applications in production.