Topic
Open-source startups tagged #observability
10 open-source startups in this directory carry the GitHub topic #observability. 8 pushed code in the last 30 days, 2 have been quiet for 31–120 days, 0 have not pushed in over 120 days or are archived. Topics are set by each repository’s own maintainers, so this is what those projects chose to call themselves rather than a category we assigned.
Ship status
8 of 10 pushed in the last 30 days.
The list
All 10, most-starred first.
The last column is the most recent push to any branch, by a person or a bot — it is not a claim that anyone is maintaining the project, and a quiet repository may be a finished one.
| Project | What it does | Stars | Ship status | Last push |
|---|---|---|---|---|
 netdatanetdata/netdataStill shipping | The fastest path to AI-powered full stack observability, even for lean teams. | 80.9K | Still shipping | |
 langfuselangfuse/langfuseStill shipping | 🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform. | 35.7K | Still shipping | |
 signozSigNoz/signozStill shipping | SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps. | 32.3K | Still shipping | |
 openobserveopenobserve/openobserveStill shipping | Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment. | 22.3K | Still shipping | |
 VictoriaMetricsVictoriaMetrics/VictoriaMetricsStill shipping | VictoriaMetrics: fast, cost-effective monitoring solution and time series database | 17.8K | Still shipping | |
 zipkinopenzipkin/zipkinSlowed | Zipkin is a distributed tracing system | 17.5K | Slowed | |
 kubespherekubesphere/kubesphereSlowed | The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️ | 17.1K | Slowed | |
 nightingaleccfos/nightingaleStill shipping | Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server. | 13.3K | Still shipping | |
 kubesharkkubeshark/kubesharkStill shipping | eBPF-powered network observability for Kubernetes. Indexes L4/L7 traffic with full K8s context, decrypts TLS without keys. Queryable by AI agents via MCP and humans via dashboard. | 12.1K | Still shipping | |
 pyroscopegrafana/pyroscopeStill shipping | Continuous Profiling Platform. Debug performance issues down to a single line of code | 11.7K | Still shipping |
Related collections
Sideways from here.
The 8 largest other topics in the directory, then the other ways to slice it.