Observability & monitoring
Errors, traces, logs and performance in production.
99 products
Apache Ambari
Contact salesTools to deploy, manage, and monitor Apache Hadoop clusters.
Free planOpen sourceNetdata
$4.50/moReal-time infrastructure monitoring with per-second metrics, ML anomaly detection and AI‑d
Free planOpen sourceOpenResty
Contact salesOpen-source web platform that integrates an enhanced Nginx core with LuaJIT.
Free planOpen sourceCrystal Dew World
Contact salesDeveloper of CrystalDiskInfo, CrystalDiskMark and other freeware utilities
Free planOpen sourceHyperDX
$20/moOpen-source observability platform that unifies session replays, logs, traces, metrics and
Free planOpen sourceOpen-source search and analytics suite for ingesting, searching, and visualizing data.
Open sourcentop
Contact salesNetwork traffic monitoring and cybersecurity software for real-time visibility, flow data
Free planOpen sourceLangfuse
$29/moOpen source platform for tracing, evaluating and improving AI agents and LLM applications.
Free planOpen sourceValgrind
FreeAn instrumentation framework for building dynamic analysis tools that detect memory and Th
Free planOpen sourceIcinga
Contact salesOpen source infrastructure monitoring for networks, servers, cloud and applications
Free planOpen sourceAn operational monitoring and fault management framework built on RRDTool for network and,
Open sourceEmerge Tools
Contact salesMobile development tooling for app size, UI snapshots, build distribution and startup time
Open sourceNetworked resource monitoring tool for analyzing resource trends and performance problems
Open sourceSigNoz
$49/moOpen-source observability platform built on OpenTelemetry, covering APM, logs, traces, and
Free planOpen sourceOpen source digital forensics tools for analyzing hard drives, smartphones, and disk image
Open sourcesmartmontools
Contact salesUtilities to control and monitor storage systems using SMART technology
Free planOpen sourceOpen Hardware Monitor
Contact salesFree open source software that monitors temperature sensors, fan speeds, voltages, load, a
Free planOpen sourceSwetrix
$19/moPrivacy-first, cookieless Google Analytics alternative with real-time analytics, no data,
Open sourceCommand-line tool for quick, simple deployment and management of Linux dedicated game
Open sourceSystem Informer
Contact salesA free, powerful, multi-purpose tool that helps you monitor system resources, debug s...
Free planOpen sourceLNAV
FreeThe Logfile Navigator, lnav for short, is an advanced log file viewer for the small-scale.
Free planOpen sourceRMClock
Contact salesCPU RightMark — CPU benchmark, memory analyzer and processor power management tools
Free planOpen sourceWebbkoll
Contact salesCheck what data-protecting measures a site has taken to help you exercise control over its
Free planOpen sourceFlickr Code
FreeA blog covering Flickr's engineering work, open source repositories, and API development.
Open sourceLogback
FreeA successor to log4j 1.x, built on a generic architecture with three modules: logback-core
Free planOpen sourceNAV (Network Administration Visualized)
Contact salesMonitor your network with ease.
Free planOpen sourceQarote
$99/moAgent-first RabbitMQ monitoring with a built-in MCP endpoint for AI agents
Free planOpen sourceVelvet
FreeVelvet made a developer gateway to analyze, evaluate, and monitor AI-powered features.
Free planOpen sourceStratoshark
FreeWhat's really happening in your cloud? Stratoshark lets you explore and analyze cloud and
Free planOpen sourceA list of community-built, third-party tools that can be used to improve page performance
Free planOpen sourceOperational.co
Usage-basedOpen-source event tracker tool for tech products that shows critical events in a live feed
Free planOpen sourceBencher
$100/moContinuous benchmarking to catch performance regressions before they merge.
Free planOpen sourceFerron
FreeA modern open-source web server with automatic TLS, readable configuration, and built-in
Free planOpen sourceDAGWorks, Inc.
Contact salesOpen source tools and services for building reliable AI agents and AI applications
Free planOpen sourceEdgeBit
FreeReal-time software supply chain security, SCA and dependency automation
Free planOpen sourceElementary
Contact salesControl plane for data and AI reliability, combining observability, quality, governance,
Open sourceIncidentFox
Contact salesAI SRE agent that investigates production incidents, finds root cause, and prepares fix
Free planOpen sourceFaraday
Contact salesAll-in-one security platform for vulnerability management, penetration testing reporting,,
Open source