47,133 repositories indexed
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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— MCP included! all for free or enjoy our SaaS plan!
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.
APM, Application Performance Monitoring System
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.
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
TranslatedCAT, as a basic component for server-side projects, provides multi-language clients for Java, C/C++, Node.js, Python, Go, etc. It has been deeply integrated into Meituan Dianping's infrastructure middleware frameworks (MVC framework, RPC framework, database framework, cache framework, etc., message queue, configuration system, etc.), providing Meituan Dianping's business lines with a rich set of system performance metrics, health status, real-time alerts, and more.
APM, (Application Performance Management) tool for large-scale distributed systems.
✔️ Simple, pretty and powerful logger for android
Admin UI for administration of spring boot applications
Zero Allocation JSON Logger
Automated developer-oriented status page with alerting and incident support
Spug is a lightweight agent-free automatic operation and maintenance platform designed for small and medium-sized enterprises. It integrates host management, host batch execution, host online terminal, file management, application release and deployment, pipelines, online task planning, configuration center, monitoring, alarm and so on.
:chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.
An AI-powered next-generation open source real-time observability system.
Instant Kubernetes-Native Application Observability
Speedtest Tracker is a self-hosted application that monitors the performance and uptime of your internet connection.
Colored logcat script which only shows log entries for a specific application package.
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
The open source error catcher that's Airbrake API compliant :ukraine:
A lightweight C++ base library with Go-style coroutines.
Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications
JavaMelody : monitoring of JavaEE applications
A simple, standalone, and lightweight tool that can do health/status checking, written in Go.
Prometheus instrumentation library for JVM applications