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Category

Monitoring & Observability

Metrics, logs, traces, and error reporting for systems in production.

60 products, 56 Projects: 48 open source, 0 source-available, 8 unresolved-license

Quickwit

QuickwitOpen

Cloud-native search engine for logs on object storage

Stars11.7K
Commitjust now
LicenseApache-2.0

Quickwit is an open-source, cloud-native search engine built for log management and analytics directly on object storage, written in Rust on top of Tantivy.

Arize Phoenix

Arize PhoenixAI

Open-source tracing, evals, and prompt tools for LLM apps

Stars11.7K
Commitjust now
LicenseElastic-2.0

Arize Phoenix is a self-hosted observability platform for LLM apps with tracing, evaluations, datasets, and a prompt playground.

Checkmate

CheckmateOpen

Self-hosted uptime and infrastructure monitoring with status pages

Stars10.9K
Commitjust now
LicenseAGPL-3.0

Checkmate is a self-hosted monitoring platform that watches website uptime, server hardware, and Docker hosts, and publishes public status pages.

Alternative toUptime Kuma
Healthchecks

HealthchecksOpen

Open-source cron job monitoring with dead-man's-switch alerts

Stars10.4K
Commitjust now
LicenseBSD-3-Clause

Healthchecks is an open-source cron job monitor: each job gets a unique ping URL, and Healthchecks alerts you when a job misses its schedule. Hosted service covers 20 jobs free; the BSD-3-Clause codebase self-hosts on Python, Django, and PostgreSQL or MySQL.

Alternative toUptime KumaSentry
HyperDX

HyperDXOpen

Open-source observability unifying logs, traces, metrics, and session replay

Stars9,940
Commitjust now
LicenseMIT

HyperDX is an open-source observability platform unifying session replays, logs, traces, metrics, and errors for faster production debugging.

Highlight

HighlightOpen

Open-source fullstack monitoring with replay, errors, logs, and traces

Stars9,384
Commitjust now
LicenseApache-2.0

Highlight is an open-source fullstack monitoring platform with session replay, error monitoring, logging, and tracing, plus a Docker self-hosting path.

Alternative toSentry
OpenStatus

OpenStatusOpen

Open-source status pages with global uptime monitoring and Slack incident response

Stars9,178
Commitjust now
LicenseAGPL-3.0

OpenStatus is an open-source status page and uptime monitoring platform that checks services from 28 regions and runs Slack incidents, as managed cloud or self-hosted.

Alternative toUptime Kuma
Coroot

CorootAIOpen

Zero-instrumentation observability with eBPF and AI root-cause analysis

Stars7,954
Commitjust now
LicenseApache-2.0

Coroot watches a whole system without asking developers to change their code.

Alternative toDatadogNew Relic
OneUptime

OneUptimeOpen

Open-source uptime monitoring, incident response, and status pages in one platform

Stars7,725
Commitjust now
LicenseApache-2.0

OneUptime is an open-source monitoring and incident platform with uptime checks, on-call alerting, status pages, and correlated logs, metrics, and traces, self-hosted or as a managed cloud.

Alternative toDatadogUptime Kuma
OpenLLMetry

OpenLLMetryAIOpen

Open-source OpenTelemetry instrumentation for LLM applications

Stars7,484
Commitjust now
LicenseApache-2.0

OpenLLMetry is an open-source observability library that instruments LLM applications with OpenTelemetry traces covering model calls, tool use, and retrieval steps.

Alternative toLangfuse
GreptimeDB

GreptimeDBOpen

Open-source observability database for metrics, logs, and traces

Stars6,729
Commitjust now
LicenseApache-2.0

GreptimeDB is an open-source observability database that stores metrics, logs, and traces in one columnar engine backed by object storage.

Zabbix

Zabbix

Self-hosted monitoring for networks, servers, and cloud

Stars6,472
Commitjust now
LicenseAGPL-3.0-only

Zabbix is a self-hosted monitoring platform that tracks networks, servers, virtual machines, and cloud services from one distributed setup, with agents and agentless checks feeding dashboards, alerting, and escalation under a free AGPL license.

Alternative toDatadog
Helicone

HeliconeAIOpen

Open-source LLM observability and AI gateway for monitoring and evaluation

Stars6,211
Commitjust now
LicenseApache-2.0

Helicone is an open-source observability platform and AI gateway for LLM applications. Teams point their existing OpenAI-compatible client at the Helicone gateway and every request is logged with traces, sessions, users, cost, and latency.

Scanopy

ScanopyOpen

Self-hosted network documentation that updates itself

Stars5,861
Commitjust now
LicenseAGPL-3.0

Scanopy is a self-hosted network discovery and documentation platform that maps devices, topologies, and racks into diagrams that stay current.

Alternative todraw.io
Kener

KenerOpen

Self-hosted status pages with uptime monitoring and incident tools

Stars5,199
Commitjust now
LicenseMIT

Kener is a free, self-hosted status page and uptime monitor with incident timelines, maintenance windows, and subscriber notifications in one Docker deployment.

LangWatch

LangWatchAIOpen

Open-source agent observability, evals, and AI governance

Stars4,937
Commitjust now
LicenseApache-2.0

LangWatch is an open-source observability and evaluation platform for AI platform teams, covering LLM operations, coding-assistant usage, AI gateway routing, and AI governance in one place.

Alternative toLangfuse
Latitude

LatitudeAIOpen

Open-source AI agent observability that finds failures and dispatches fixes

Stars4,718
Commitjust now
LicenseMIT

Latitude is an open-source, MIT-licensed observability platform for production AI agents, organized around an Observe, Understand, and Refine loop of tracing, failure signals, and guardrails.

Alternative toLangfuseHelicone
Logfire

LogfireAIOpen

AI-native observability from the Pydantic team, joining LLM calls with telemetry

Stars4,511
Commitjust now
LicenseMIT

Logfire is Pydantic's AI-native observability platform for debugging AI applications in production, built on OpenTelemetry so one timeline covers agent model calls, tools, services, databases, and hosts.

Alternative toLangfuseHyperDX
Uptrace

UptraceOpen

Open-source APM with traces, metrics, and logs in one UI

Stars4,301
Commitjust now
LicenseAGPL-3.0

Uptrace is a self-hosted APM that collects OpenTelemetry traces, metrics, and logs into one UI with dashboards, alerting, and PromQL-style queries.

Alternative toDatadog
Laminar

LaminarAIOpen

Open-source tracing, evals, and observability for AI agents

Stars3,373
Commitjust now
LicenseApache-2.0

Laminar is an open-source observability platform purpose-built for AI agents, with OpenTelemetry-native tracing, evaluations, and behavior monitoring built in.

Alternative toLangfuse
OpenLIT

OpenLITAIOpen

Open-source OpenTelemetry observability for LLM apps and AI agents

Stars2,842
Commitjust now
LicenseApache-2.0

OpenLIT is an Apache-2.0 platform tracing and evaluating LLM apps and AI agents over OpenTelemetry, self-hosted with Docker or Kubernetes.

Alternative toLangfuse
Elementary Data

Elementary DataOpen

dbt-native data observability with tests, lineage, and alerts

Stars2,416
Commitjust now
LicenseApache-2.0

Elementary Data is a dbt-native data observability tool that monitors tables with tests, anomaly detection, lineage, and alerts.

Checkmk

Checkmk

Agent-based infrastructure and application monitoring for hybrid IT

Stars2,385
Commitjust now
LicenseGPL-2.0

Checkmk is a self-hosted monitoring platform for servers, networks, containers, and cloud services, with automatic discovery and alerting built in.

Alternative toDatadogGrafana
GlitchTip

GlitchTipOpen

Error tracking that speaks the Sentry protocol

Stars2,140
Commit5d ago
LicenseMIT

GlitchTip accepts events from the official Sentry SDKs, which means adopting it is a DSN change rather than an instrumentation project. Stack traces, breadcrumbs, releases, and issue grouping all work as expected.

Alternative toSentry