checkcle

Monitoring & Metrics

Open Source real-time monitoring platform for full‑stack systems, applications, and infrastructure

Go Latest v1.6.0 · 10mo ago Security brief →

Features

Uptime & infrastructure server monitoring (HTTP, DNS, Ping, TCP services)
SSL/domain expiration tracking with alerts
Multi‑protocol alert notifications (email, Telegram, Discord, Slack, Matrix, etc.)
Public status pages, analytics reports and maintenance scheduling

1 CVE

CVE	Severity	Disclosed	Patched (this tool)	vs Ecosystem Median
CVE-2025-31125 KEV	medium CVSS 5.3	2025-03-31	2025-06-20	3mo / median 9mo

View all 4 releases →

v1.6.0 New feature 10mo

⚠ Upgrade required

Manual cleanup buttons have been removed from Data Retention Settings; cleanup is now handled automatically by the new data retention service.
NTFY now supports API token-based authentication — existing NTFY configurations may need updating if token auth is desired.
Schema updates can now be applied directly from the dashboard.

Notable features

v1.5.0 New feature 11mo

⚠ Upgrade required

Server Agent is now available as RPM package, Docker container, and general binary — evaluate deployment method for your environment.
Backend rate limiting and abuse protection is now active; verify any high-frequency integrations or scripts are within acceptable limits.

Notable features

7-channel notifications: Telegram, Discord, Email, Slack, Google Chat, Signal, Webhooks
25+ dynamic placeholders for customizable notification templates
Server monitoring alerts: CPU, RAM, Disk, Network with status-change and restore notifications

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