🩺 Vitals
- 🟢 Last active: 2026-08-05
- 📦 Latest release: 2.5.0 (2026-08-01)
- 🐞 Open issues: 776
- 🌟 Stars: 89.8k
What do these metrics mean?
- Last active: when code was last pushed, as of our last check. The dot is green when that was recent, grey otherwise. A long gap can mean a tool is finished and stable, not only unmaintained.
- Latest release: the most recent tagged, packaged version the maintainers published. Not every healthy project tags releases.
- Open issues: unresolved reports and requests. A high number is normal for a popular project and is not a warning on its own.
- Stars: how many people bookmarked the project on its forge. A rough popularity signal, not a measure of quality.
🏗️ 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)
| Cost Component | UptimeRobot (SaaS) | Uptime Kuma (Self-Hosted) |
|---|---|---|
| Subscription | $15–$100+/mo | $0 (unlimited monitors) |
| Status Pages | Limited by tier | Unlimited (included) |
| Check Interval | Tier-gated (min 1 min on free) | 20-second minimum (free) |
| Data Privacy | Third-party transit | 100% owned (local SQLite) |
| Notification Channels | Limited integrations | 90+ channels (all free) |
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.