Security Onion is a free and open platform for threat hunting, enterprise security monitoring, and log management. It includes our own interfaces for alerting, dashboards, hunting, PCAP, detections, and case management. It also includes other tools such as osquery, CyberChef, Elasticsearch, Logstash, Kibana, Suricata, and Zeek.

Shell

581

security cybersecurity log-management logging monitoring

dgtlmoon

changedetection.io

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—all for free or enjoy our SaaS plan!

Python

27,632

1,539

open-source webdev python web-monitoring change-detection monitoring automation devops web-scraping changedetection self-hosted web-application

apache

hertzbeat

Real-time observability system with agentless, performance cluster, prometheus-compatible, custom monitoring and status page building capabilities.

Java

6,669

1,186

monitoring observability java prometheus

TwiN

gatus

⛑ Automated developer-oriented status page

8,417

566

devops monitoring webdev status-page go status-pages

Rem0o

FanControl.Releases

This is the release repository for Fan Control, a highly customizable fan controlling software for Windows.

17,275

516

windows developer-tools open-source system-administration monitoring hardware software system-management

coroot

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.

7,015

310

observability monitoring open-source devops ai ai-ethics