Uptime Kuma

🩺 Vitals

• 📦 Version: 2.3.2 (Released 2026-05-03)
• 🚀 Velocity: Active (Last commit 2026-05-03)
• 🌟 Community: 86.2k Stars · 7.8k Forks
• 🐞 Backlog: 731 Open Issues

🏗️ Profile

• Official: uptimekuma.org
• Source: github.com/louislam/uptime-kuma
• License: MIT
• Deployment: Docker | Node.js
• Data Model: SQLite (Embedded)
• Jurisdiction: Hong Kong 🇭🇰 (Sole Developer — no corporate entity)
• Compliance (SaaS): N/A (No Official SaaS Offering)
• Compliance (Self-Hosted): Self-Hosted (User Managed)
• Complexity: Low (1/5) - Single container; no external database dependency
• Maintenance: Low (2/5) - Lightweight SQLite backend; infrequent operational intervention required
• Enterprise Ready: Moderate (3/5) - All features free with no gating; no granular RBAC, no multi-region polling, single-instance architecture limits large-team governance

1. The Executive Summary

What is it? Uptime Kuma is a self-hosted uptime monitoring and status page tool maintained by a sole developer. It monitors HTTP/S, TCP, DNS, and other endpoint types on configurable intervals (minimum 20 seconds), delivers alerts through 90+ notification channels (Slack, PagerDuty, Telegram, and others), and generates public or authenticated status pages — all at zero cost with no feature gating. The MIT-licensed single Docker container stores all monitoring state in an embedded SQLite database on the host. There is no commercial tier, no open-core model, and no vendor cloud involvement.

The Strategic Verdict:

• 🔴 For Multi-Region External Synthetics: Out of scope. As a single-instance tool, Uptime Kuma monitors from the network perspective of where it is installed. Distributed global synthetic monitoring from multiple PoPs requires a commercial service or a more complex self-hosted orchestration layer.
• 🟢 For Internal Infrastructure and VPC Monitoring: Strong Buy. Zero cost, unlimited monitors, and private deployment mean service availability data never transits a third-party cloud. For teams replacing UptimeRobot's tiered subscription model or Pingdom's per-check billing, Uptime Kuma eliminates recurring cost entirely while keeping monitoring telemetry within the operator's own network.

2. The "Hidden" Costs (TCO Analysis)

3. The "Day 2" Reality Check

🚀 Deployment & Operations

• Installation: A single Docker container with no external database dependency — SQLite is embedded and persisted via a mounted volume. Lightweight enough to run on a small VPS, a Raspberry Pi, or an internal server alongside other services. For production environments, deployment behind a reverse proxy (Nginx, Caddy) with TLS termination and authentication is required; the default setup exposes the dashboard on an unprotected port.
• Notifications: Native integrations cover Slack, Discord, Telegram, PagerDuty, OpsGenie, and 85+ additional channels — all configured via the web UI without custom webhook code. Alert escalation logic is basic; teams requiring complex on-call routing should supplement with a dedicated incident management layer.

🛡️ Security & Governance (Risk Assessment)

• Jurisdiction & Geopolitics (Hong Kong 🇭🇰): Uptime Kuma is maintained by a sole developer based in Hong Kong — no corporate entity exists. As a fully local deployment with no vendor cloud infrastructure and no mandatory telemetry, Hong Kong jurisdiction carries no practical data access risk; all monitoring data resides in the operator's own SQLite database with zero vendor access. The more significant governance concern is project continuity: a sole-maintainer project has no succession plan, no institutional backing, and no guaranteed security patch responsiveness — project health is entirely dependent on a single contributor funded by community donations.
• The Compliance Shift: No corporate entity, no SaaS offering, and no compliance certifications exist for this project — nor can they for a community-maintained tool. Full compliance posture is the operator's responsibility. Uptime Kuma's SQLite database stores monitoring results, incident history, and notification configurations — data classification, encryption at rest, and retention policies are the operator's obligation. The default single-instance model has no granular RBAC and operates on a basic admin/user account structure; for teams requiring auditability or access segregation, deployment behind an authenticating reverse proxy is the minimum compensating control.
• License Risk (MIT — Maximally Permissive; No Feature Gating; Sole-Maintainer Continuity Risk): MIT licence imposes no copyleft requirements, no network use clauses, and no commercial restrictions. All features — unlimited monitors, status pages, 90+ notification integrations, and 20-second check intervals — are available at no cost with no open-core gating. The governance risk is project continuity: dependency on a sole maintainer with no organisational backing means there is no guaranteed SLA for security patches, no formal vulnerability disclosure process, and no long-term roadmap commitment. Organisations with strict supply chain or dependency governance requirements should assess the fork risk before adopting Uptime Kuma for production monitoring of critical infrastructure.

4. Market Landscape

🏢 Proprietary Incumbents

• Pingdom: The enterprise uptime monitoring standard — global synthetic monitoring from distributed PoPs, SLA reporting, and root cause analysis tooling. Per-check pricing scales poorly for teams with large monitor inventories; Uptime Kuma eliminates this cost entirely for internal network monitoring use cases.
• UptimeRobot: The dominant free-tier uptime monitoring SaaS — tiered subscription model with 1-minute check intervals on the free plan and all notification channels gated behind paid tiers. Uptime Kuma's 20-second intervals and full notification suite at zero cost make it the natural self-hosted replacement.

🤝 Open Source Ecosystem

• SigNoz: Application-level observability — distributed tracing, metrics, and log aggregation. The complementary choice when Uptime Kuma's external health checks need to be paired with deep internal service telemetry and APM.
• Wazuh: Security information and event management — host-based intrusion detection and compliance auditing. Frequently deployed alongside Uptime Kuma to provide security event visibility at the infrastructure layer where Uptime Kuma provides availability visibility at the service layer.