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.
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An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
Self-Hosting Guide. Learn all about locally hosting (on premises & private web servers) and managing software applications by yourself or your organization. Including Cloud, LLMs, WireGuard, Automation, Home Assistant, and Networking.
TranslatedA powerful flow control component enabling reliability, resilience and monitoring for microservices. (A high-availability flow control and protection component for cloud-native microservices)
- alibaba
- java
- microservice
- circuit-breaker
Mars is a cross-platform network component developed by WeChat.
Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
NLog - Flexible and Structured Logging for various .NET Platforms
- nlog
- logging
- logging-library
- netstandard
The open source error catcher that's Airbrake API compliant :ukraine:
- ruby
- airbrake
- crash-reporting
- error-monitoring
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
- jitwatch
- java
- javafx
- hotspot-jit-compiler
A comprehensive set of fairness metrics for datasets and machine learning models, explanations for these metrics, and algorithms to mitigate bias in datasets and models.
- ai
- fairness-ai
- fairness
- fairness-testing
Lightweight analytics abstraction layer for tracking page views, custom events, & identifying visitors
Monitor your Website and APIs from your Computer. Get Notified through Slack, E-mail when your server is down or response time is more than expected.
- monitor
- slack
- notifications
- statusok
Simple logging module Electron/Node.js/NW.js application. No dependencies. No complicated configuration.
TUI for viewing logs from journald, auditd, file system, Docker and Podman containers, Compose stacks and Kubernetes pods with support for log highlighting and several filtering modes.
- go
- journal
- journalctl
- tui
Structured, composable logging for Go
OpenTelemetry Compile-Time Instrumentation for Golang
- go
- instrumentation
- observability
- opentelemetry
Rich-powered CLI that breaks each HTTP request into DNS, connect, TLS, wait, and transfer phases with waterfall timelines, compact summaries, or metrics-only output.
An Elixir Prometheus metrics collection library built on top of Telemetry with accompanying Grafana dashboards
CSS selectors complexity and performance analyzer
Cloudlog is a web-based amateur radio logging application built with PHP and MySQL. It supports a wide range of station logging activities, from HF to microwave, and integrates with companion tools for CAT control and automation.
- cloudlog
- ham-radio
- amateur-radio
- php
A comprehensive observability solution for monitoring Claude Code usage, performance, and costs.
LibU is a multiplatform utility library written in C, with APIs for handling memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks
Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest
Lightweight Claude Code statusLine: 5h/7d rate-limit usage, reset countdowns, model + context window, prompt-cache age — one line, 3 styles × 9 themes, daemon fast-mode