Observability

Open-source observability platform

Developer-first error tracking and performance monitoring

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

🪢 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.

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

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

Community-based network monitoring system.

The platform for LLM evaluations and AI agent testing

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

The Prometheus monitoring system and time series database.

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.

A high-performance observability data pipeline.

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

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.

Latitude is the open-source agent engineering platform

Performance Co-Pilot

Monitoring and governance platform for AI and ML.

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

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

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.

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

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

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

Open source mobile monitoring that gets to the root cause.

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

Distributed tracing platform for monitoring and troubleshooting microservices.

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

Complete open-source monitoring and observability platform.

OpenTelemetry observability platform.

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

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

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.

Yet another cross-platform graphical process/system monitor.

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

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

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

SRE Agent - CNCF Sandbox Project

Parseable is an observability datalake built from first principles.

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

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

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

Simple server monitoring tool.

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

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

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

Checkmk - Best-in-class infrastructure & application monitoring

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

Application performance monitoring and observability platform for distributed systems.

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!

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

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

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

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

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

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

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.

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

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

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.

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 on-call scheduling, escalations, and notifications.

Operational metrics microservice for monitoring Qlik Sense environments.

Analytics platform for MCP server owners.

Zero-trust open source network management and observability platform.

Open-source AI agents for incident management.

Kubernetes network observability platform for inspecting cluster traffic.

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.

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!

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

Visualization addon for your open source monitoring core

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

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

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.

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.

Next-generation server monitoring and management tools

Single-binary server monitor that alerts on infrastructure failures.

Open-source distributed network monitoring platform.

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

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

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

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

Open source APM: OpenTelemetry traces, metrics, and logs

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

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

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

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.

AI-powered error tracking and monitoring platform with multi-channel notifications.

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