Observability

Metrics, traces, logs, dashboards, and application observability platforms.

Open ranking →

Open/source-visible picks

Health-first ToolVitals score, then adoption

01
GrafanaTop Pick
Open-source observability platform
Open core
76.7k starsActive99
02
Developer-first error tracking and performance monitoring
OSI-approved OSS
44.8k starsActive99
03
Open-source platform for evaluating, observing, and improving LLM and AI agent applications.
OSI-approved OSS
2k starsActive98

1 tool is on Evidence Watch.

10 tools are not scored because comparable open/source-visible evidence is unavailable.

Uptime Monitoring

Uptime checks, status pages, alerting, and incident tracking.

Open ranking →

Open/source-visible picks

Health-first ToolVitals score, then adoption

01
Uptime KumaTop Pick
A fancy self-hosted monitoring tool
OSI-approved OSS
91.3k starsActive96
02
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
OSI-approved OSS
10.8k starsActive96
03
Stunning status pages, batteries included!
OSI-approved OSS
5.2k starsActive95

16 tools are not scored because comparable open/source-visible evidence is unavailable.

Incident Management

Tools for coordinating, investigating, automating, and communicating operational incident response workflows.

Open ranking →

Open/source-visible picks

Health-first ToolVitals score, then adoption

01
AuroraTop Pick
Open-source agentic incident management and root cause analysis platform for SREs.
OSI-approved OSS
412 starsActive92
02
Better Prometheus alerts for Kubernetes - smart grouping, AI enrichment, and automatic remediation
OSI-approved OSS
3.1k starsActive90
03
The open-source AIOps and alert management platform
OSI-approved OSS
12.3k starsActive90