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Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.
Headless Chromium-based web performance metrics collector and monitoring tool
App Metrics is an open-source and cross-platform .NET library used to record and report metrics within an application.
Automatic font fallback based on font metrics
CleanroomLogger provides an extensible Swift-based logging API that is simple, lightweight and performant
G3log is an asynchronous, "crash safe", logger that is easy to use with default logging sinks or you can add your own. G3log is made with plain C++14 (C++11 support up to release 1.3.2) with no external libraries (except gtest used for unit tests). G3log is made to be cross-platform, currently running on OSX, Windows and several Linux distros. See Readme below for details of usage.
Web based metrics, monitoring, and observer
Error handler used for the Stack Exchange network
Read-only Windows diagnostics: the Event Log in plain language, blue screens explained. Offline and open source.
A realtime terminal-based top-like monitor for MySQL
:closed_book: Swift Logging Utility for Xcode & Google Docs
gulp plugin to send messages based on Vinyl Files or Errors to Mac OS X, Linux or Windows using the node-notifier module. Fallbacks to Growl or simply logging
Webbased Amateur Radio Logging Software - Log your contacts from everywhere!
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.
Node.js module to help you understand how your tool is being used by anonymously reporting usage metrics to Google Analytics
A flexible logging library for use in Ruby programs based on the design of Java's log4j library.
Web Based Event Viewer (GUI) for Suricata EVE Events in Elastic Search
Script Based Alerting Manager
eBPF based TCP observability.
A generics based dependency injection application framework for Go, supporting aspect oriented programming based on interceptors
Automatically starts machines based on incoming traffic, using smart local IP spoofing and Wake-on-LAN.
Timberjack is a Go log rolling library with support for size-based, time-based, and manual rotation.
Graph based visualization tool for re-frame event chains
Dreamento (DReam ENgenieering TOolbox): a Python-based software for dream engineering while monitoring/analyzing real-time EEG data.