Observability

Open-source observability platform

Open-source platform for evaluating, observing, and improving LLM and AI agent applications.

Developer-first error tracking and performance monitoring

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

TraceRoot - open-source observability and self-healing layer for AI agents. YC S25

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface

Build your own AI SRE agents. The open source toolkit for the AI era ✨

The Prometheus monitoring system and time series database.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Realtime log viewer for containers. Supports Docker, Swarm and K8s.

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

The open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.

Centreon is a network, system and application monitoring tool. Centreon is the only AIOps Platform Providing Holistic Visibility to Complex IT Workflows from Cloud to Edge.

The platform for LLM evaluations and AI agent testing

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.

Community-based network monitoring system.

Latitude is the open-source agent engineering platform

Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF

A high-performance observability data pipeline.

OpenTelemetry observability platform.

Open-source SIP, VoIP, and RTC packet capture and monitoring platform.

Monitoring and governance platform for AI and ML.

Continuous Profiling Platform. Debug performance issues down to a single line of code

The only tool you need to know what is happening and how to fix it.

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

Open source mobile monitoring that gets to the root cause.

The fastest path to AI-powered full stack observability, even for lean teams.

Percona Monitoring and Management: an open source database monitoring, observability and management tool

NetXMS - Open Source network and infrastructure monitoring and management

Lightweight server monitoring with historical data, docker stats, and alerts.

SRE Agent - CNCF Sandbox Project

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

Complete open-source monitoring and observability platform.

Real-time monitoring for Proxmox, Docker, and Kubernetes with AI-powered insights, smart alerts, and a beautiful unified dashboard

Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, Mac OS and Windows operating systems.

Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.

Distributed tracing platform for monitoring and troubleshooting microservices.

Performance Co-Pilot

Highly available Prometheus-compatible metrics system with long-term storage.

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

An AI-powered next-generation open source real-time observability system.

Open-source web dashboard for managing Corsair AIO hardware and system metrics.

Logs, traces, and metrics explorer with S3-compatible storage.

Zero-trust open source network management and observability platform.

Nightingale is to monitoring and alerting what Grafana is to visualization.

Checkmk - Best-in-class infrastructure & application monitoring

Parseable is an observability datalake built from first principles.

Open source HTTP reverse proxy cache and time series dashboard accelerator.

openITCOCKPIT is an Open Source system monitoring tool built for different monitoring engines like Nagios, Naemon and Prometheus.

Web-based process visualization and SCADA/HMI dashboard software.

Self-hosted log management platform built with SvelteKit and Quickwit.

Simple server monitoring tool.

Application performance monitoring and observability platform for distributed systems.

Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.

SOLECTRUS is a smart photovoltaic dashboard that displays your energy production and consumption. It also calculates costs and savings, helping you maximize the benefits of your solar system.

Tianji: Insight into everything, Website Analytics + Uptime Monitor + Server Status. not only another GA alternatives

Operational metrics microservice for monitoring Qlik Sense environments.

Email observability for AWS SES.

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

Open source container update monitoring with notifications, audit log, OIDC auth, and metrics.

🛡️ Open-source, self-hosted log management. Privacy-first alternative to Datadog & ELK. Lightweight, GDPR-compliant, and deployed in minutes with Docker.

Yet another cross-platform graphical process/system monitor.

Open-source AI agents for incident management.

The dbt-native data observability solution for data & analytics engineers. Monitor your data pipelines in minutes. Available as self-hosted or cloud service with premium features.

Token telemetry dashboard for AI coding agents that tracks tokens, sessions, tool calls, and reasoning.

CortexBrain is an ambitious open-source project designed to build an intelligent, lightweight, and highly efficient monitoring platform for distributed cloud and hybrid (cloud–edge) workflows

Open-source on-call scheduling, escalations, and notifications.

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

Next-generation server monitoring and management tools

Kubernetes network observability platform for inspecting cluster traffic.

Nerdlog: fast, remote-first, multi-host TUI log viewer with timeline histogram and no central server

Analytics platform for MCP server owners.

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Open-source observability layer for India's courts.

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

Visualization addon for your open source monitoring core

Open source APM: OpenTelemetry traces, metrics, and logs

Single-binary server monitor that alerts on infrastructure failures.

💪🏻 Blazing-fast system monitoring for your desktop (built with Rust, Tauri & Svelte)

MoniGo is a performance monitoring library for Go apps, offering real-time insights into service-level and function-level metrics. With an intuitive UI, it enables developers to track and optimize performance. Get your Go app's dashboard up in just 10 seconds!

select * from logs; Tailpipe is an open source SIEM for instant log insights, powered by DuckDB. Analyze millions of events in seconds, right from your terminal.

Evidently is ​​an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.

Capture and monitor tool calls, LLM requests, and agent sessions with telemetry.

Open-source dashboard for ethereum and gnosis validator performance tracking.

Monitor macOS system metrics in real time with graphs for CPU, memory, GPU, network, and disk performance.

Unified monitoring wallboard.

Distributed tracing system for collecting and querying timing data from services.

Modular open-source LLMOps stack for API routing, evaluation, and observability.

Open-source distributed network monitoring platform.

AI-powered monitoring platform with auto-remediation and runbooks.

Independent open-source analytics platform for Monad with live blocks, validators, staking, gas, and alerts.

Observability platform for Digital Employee with tracing, session insights, and cost analysis for multi-agent workflows.

Web-based log viewer UI. Explore logs data stored in several sources: ClickHouse, Kubernetes or Docker

Monitor and detect anomalies in AWS accounts to aid in cost reduction and performance improvement.