Tools

Complete open-source monitoring and observability platform.

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

AI Observability & Evaluation

Valkey-first observability with Redis compatibility. Query real-time metrics, analyze slow commands, detect hot keys, and investigate performance issues directly from AI coding assistants.

trollface: Self-hosted, lightweight server and website monitoring and O&M tool

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

The open-source notification infrastructure. In-app Inbox component, E-mail, SMS, Push and Slack Integrations.

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

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. . Open source Application Performance Monitoring (APM) & Observability tool

tropical_fish: Beats - Lightweight shippers for Elasticsearch & Logstash

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

Traccar GPS Tracking System

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

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

Monitor everything with a single container

Web-app for processing, logging and visualising energy, temperature and other environmental data

A command line utility to work with Sentry.

Open-source webhook server that helps you provide webhooks to your users. It handles for you a great amount of features that are usually tedious to (re)implement.

Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with multiple notification channels, status pages, IAC support via YAML, Prometheus integration, a complete REST API and many more!

Developer-first error tracking and performance monitoring

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!

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

Speedtest Tracker is a self-hosted application that monitors the performance and uptime of your internet connection.

Open Source network and infrastructure monitoring and management.

Dynacat is a dashboard focused on dynamic reloading and easy integrity with external applications.

Lightweight, single-binary log analytics interface for ClickHouse, focused on high-performance querying and visualization

Self-hosted Error Tracking

Swetrix is a cookie-less, open source, privacy-first web analytics, website speed monitoring and error tracking service that you can host yourself or use in the cloud. Get started for free!

OpenTelemetry Collector

Performance Co-Pilot

Parseable is an observability datalake built from first principles.

The Prometheus monitoring system and time series database.

🪼Cially is a powerful, open-source dashboard designed to provide in-depth insights, real-time analytics, and detailed statistics for your Discord server. Monitor member activity, track engagement trends, and make data-driven decisions with ease.

Nagios Core

An open source, self-hosted, real-time port monitoring and discovery tool.

Apprise - Push Notifications that work with just about every platform!

A fancy self-hosted monitoring tool

Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts

Command line tools for Cronitor.io

Empowering People Ethically — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐ – Pull Requests welcome!

Community-based GPL-licensed network monitoring system

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

Realtime server for reliable two-way communication to power-up any backend

Like Prometheus, but for logs.

The core of our monitoring platform with a powerful configuration language and REST API.

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

Privacy-first, Agnostic Telemetry for Self-Hosted Software.

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

Automated developer-oriented status page with alerting and incident support

Scalable datastore for metrics, events, and real-time analytics