The best observability tools in 2025
What are observability tools?
Observability tools enable organizations to gain deep insights into the performance and health of their applications, infrastructure, and services. These tools collect and analyze telemetry data—like logs, metrics, and traces—to help teams monitor, troubleshoot, and optimize complex systems in real time. Observability goes beyond traditional monitoring by allowing engineers to ask ad-hoc questions about system behavior, pinpoint root causes of issues, and understand how different components interact.
Grafana
—Beautiful metric & analytic dashboards
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Grafana is the open source analytics & monitoring solution for every database
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Datadog is a monitoring service for cloud-scale applications, providing monitoring of servers, databases, tools, and services, through a SaaS-based data analytics platform.
Zipy
—Debug Web & Mobile apps with AI, Session Replays & more- Overview
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Zipy is a debugging platform with user session replay, frontend and network monitoring in one. ⏰ Install in a min ▶️ Replay error sessions in real time 🚀 Dev tools, Stack Trace, Console & Network Logs. Have questions? Ask the Maker
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Best-in-class native macOS app to Capture, Decrypt, and Mock your HTTP/HTTPS with all advanced debugging tools. Support macOS, iOS, Windows and Linux.
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SigNoz is an open-source alternative to DataDog. We help developers find issues in the software they run on cloud and solve them quickly. Run SigNoz in your infrastructure and get your application monitoring setup at 10x lower cost
Warestack
—Enforce DevOps best practices- Overview
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Warestack enforces teams follow best practices across the DevOps lifecycle by flagging skipped checks, blocking risky workflows, and standardizing processes to bridge gaps in toolchains. With Warestack, teams minimize lead times and transform fragmented workflows into predictable, reliable pipelines.
Kafbat UI
—Open-Source Web GUI for Apache Kafka Management- Overview
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Kafbat UI is a free, open-source web UI to monitor and manage Apache Kafka clusters
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An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.
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Sign up for free, no credit card required. Get Instant Observability with New Relic and Quickstarts that make it easy to instrument in a few clicks.
ManageEngine
—Give your IT the cloud advantage- Overview
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ManageEngine crafts the industry's broadest suite of IT management software. We have everything you need—more than 90 products and free tools—to manage all of your IT operations, from networks and servers to applications, service desk, Active Directory, security, desktops, and mobile devices.
