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

Traccar GPS Tracking System

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

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

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.

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

Developer-first error tracking and performance monitoring

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!

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!

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

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.

Monitor everything with a single container

Open Source network and infrastructure monitoring and management.

Performance Co-Pilot

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!

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

OpenTelemetry Collector

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

Parseable is an observability datalake built from first principles.

Self-hosted Error Tracking

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.

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

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!

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

Nagios Core

Command line tools for Cronitor.io

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

A fancy self-hosted monitoring tool

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

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

Community-based GPL-licensed network monitoring system

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

Like Prometheus, but for logs.

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

Send push notifications to your phone or desktop using PUT/POST

Automated developer-oriented status page with alerting and incident support

A Python based monitoring and tracking tool for Plex Media Server.