9 Best Open Source UptimeRobot Alternatives
A curated collection of the 9 best open source and self-hosted alternatives to UptimeRobot in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for UptimeRobot in 2026? The top open-source alternative is Uptime Kuma — Self-hosted website monitoring tool.
Other highly rated open-source UptimeRobot alternatives include Checkmate, Gatus and OpenStatus.
Self-hosted website monitoring tool
Uptime Kuma is a lightweight, self-hosted monitoring tool designed for developers and small teams. It provides real-time monitoring of websites and services, tracking uptime, response times, and status pages with minimal resource usage. - Real-time Monitoring: Tracks uptime and response times of websites and services. - Status Pages: Public or private status pages to communicate service status. - Notifications: Supports multiple notification channels (Discord, Slack, Telegram, etc.). - Multi-language: Available in multiple languages for global accessibility. - Lightweight: Runs efficiently on low-resource systems. - Docker Support: Easy deployment via Docker containers. - Customizable: Configure checks, intervals, and thresholds. - Open Source: Fully open-source with community-driven development. Uptime Kuma is built with Node.js and can be self-hosted on any system with Docker support. It requires minimal setup and is compatible with most cloud and on-premise environments. The project is actively maintained and welcomes contributions from the community.
Open-source infrastructure monitoring tool
Checkmate is an open-source, self-hosted infrastructure monitoring tool designed for teams who value control over their data and costs. Monitor servers, websites, Docker containers, and game servers with real-time uptime tracking, performance metrics, and multi-channel alerts. - Uptime Monitoring: Track HTTP, ping, TCP, gRPC, DNS, SSL, WebSocket, and PageSpeed endpoints from 6 continents with GlobalPing. - Infrastructure Monitoring: Monitor CPU, memory, disk, and network usage across all servers with live gauges and historical charts. - Docker Monitoring: Track container health, resource usage, and restart events for services like nginx, postgres, and redis. - Game Server Monitoring: Monitor Minecraft, CS2, Valheim, and other game servers with player counts. - Multi-Channel Alerts: Receive notifications via email, Slack, Discord, Telegram, Twilio SMS, Pushover, Matrix, ntfy, or custom webhooks. - Public Status Pages: Create customizable status pages to keep users informed during incidents. - Response Time Tracking: Monitor and analyze response times with historical charts and performance insights. - Team Collaboration: Invite team members with role-based access control (Admin, Editor, Viewer). - Global Uptime Monitoring: Deploy Checkmate via Docker Compose, Helm, or bare metal for flexible scaling. - Deployment Options: Docker Compose (5-minute setup), Helm charts, or bare metal. - License: AGPL-3.0 (fully open-source with no vendor lock-in). - Data Privacy: All metrics and data remain within your infrastructure—nothing leaves your perimeter. - Scalability: Designed for teams of all sizes, from small setups to enterprise environments. - Integrations: Plugs into existing tools like Slack, Discord, Telegram, and webhooks for seamless workflows.
Automated status pages with advanced uptime monitoring
Gatus is an open-source status page and uptime monitoring tool designed to help teams track the health of their services with precision. Whether you're monitoring simple HTTP endpoints or complex multi-step workflows, Gatus provides the flexibility to set custom health check conditions and receive immediate notifications when issues arise. - Comprehensive Uptime Monitoring: Track HTTP/HTTPS, DNS, TCP, ICMP endpoints with custom conditions. Validate JSON responses, check SSL certificates, and monitor response times for complete service health visibility. - Test Suites for Complex Workflows: Execute sequential endpoint tests with shared context to validate entire business processes, authentication flows, CRUD operations, and end-to-end transactions. - Instant Alerting: Receive downtime notifications via Slack, Discord, PagerDuty, email, and 15+ other platforms. Configure custom thresholds and escalation rules for proactive incident management. - Public Status Pages: Create transparent, user-focused status pages that automatically update based on real-time monitoring data. Display incident reports, maintenance schedules, and resolution timelines with color-coded priority levels. - Push-Based Monitoring: Monitor services in private networks using custom agents that push status updates to Gatus, eliminating the need to expose internal systems to the internet. - Developer-Friendly API: Integrate uptime checks with CI/CD pipelines, webhook monitoring, and comprehensive logging for technical diagnostics and issue resolution. - SSL Certificate Monitoring: Track SSL certificate expiration dates to prevent unexpected outages due to expired certificates. - Custom Health Check Conditions: Go beyond simple ping checks by validating specific response codes, JSON payloads, and custom monitoring logic tailored to your services. Gatus is built on open-source technology and can be self-hosted for complete control over your monitoring infrastructure. The project is actively maintained on GitHub with transparent development and community contributions. The software is lightweight, easy to deploy, and designed for scalability to handle monitoring needs of any size.
Free & open source status page for teams
OpenStatus provides a professional status page and uptime monitoring solution trusted by growing teams. Whether hosted or self-hosted, it helps organizations communicate incidents effectively, demonstrate compliance readiness, and maintain audit trails automatically. - Branded Status Pages: Create custom status pages on your own domain with themes, custom domains, and password protection options. - Uptime Monitoring: Monitor endpoints from 28 regions across multiple clouds with instant alerts via Slack, Discord, PagerDuty, or email. - Automated Incident Communication: Status page updates automatically during incidents with timestamped reports for audit trails. - Compliance Ready: SOC 2 compliant incident communication with documented, timestamped status reports that satisfy auditor requirements. - Programmatic Access: Manage everything via CLI, API (with OpenAPI spec), MCP server for AI agents, or Terraform provider. - Global Speed Checker: Test any URL's response time from 28 regions without account creation or credit card. - Enterprise Features: Themes, maintenance windows, subscriptions, and public or private status pages. OpenStatus is open source and self-hostable. The project is available on GitHub with comprehensive documentation for deployment and management. The platform supports both managed SaaS and self-hosted options, making it suitable for organizations of all sizes.
Open-source cron job monitoring service
Healthchecks is an open-source cron job and background task monitoring service that helps you ensure your scheduled tasks run as expected. - Cron Job Monitoring: Tracks cron jobs and background tasks to detect failures or hangs. - Alerting: Sends notifications via email, Slack, or other integrations when jobs fail or exceed expected runtime. - Simple Setup: Easy to deploy with Docker or Python/Django, requiring minimal configuration. - Web Dashboard: Provides a clean interface to view job statuses, logs, and history. - API Integration: Offers a RESTful API for seamless integration with existing workflows. - Self-Hosted: Fully open-source and self-hostable, ensuring data privacy and control. - Tech Stack: Built with Python and Django. - Deployment: Available as a Docker container or can be installed directly on a server. - Database Support: Works with PostgreSQL, MySQL, and SQLite. - Hosting: Self-hosted, making it ideal for privacy-conscious users and organizations.
Open-source observability & incident management
OneUptime is a comprehensive open-source platform designed to streamline reliability operations for modern infrastructure. Whether you're a DevOps engineer, Site Reliability Engineer (SRE), or platform team, OneUptime provides the tools needed to monitor systems, detect incidents, and resolve issues efficiently. - Unified Observability: Consolidate logs, metrics, traces, and exceptions in a single interface for comprehensive system visibility. - Incident Management: Detect outages in seconds, page the right engineer, and coordinate incident resolution with smart routing and escalations. - Status Page: Communicate incidents and maintenance windows to users with a customizable public status page. - AI-Powered Incident Investigation: Leverage AI to investigate incidents and generate fix pull requests for faster resolution. - Topology Mapping: Visualize service, infrastructure, and network dependencies to understand system relationships. - On-Call & Alerts: Configure smart alerting with escalation policies to ensure the right team members are notified promptly. - Scheduled Maintenance: Plan and communicate downtime proactively to minimize user impact. - Security Events: Monitor and respond to security incidents with SIEM signals and Sigma detections. - Multi-Environment Support: Monitor Kubernetes, Docker, cloud services, IoT devices, network devices, and more. - Self-Hosting & Enterprise: Deploy on your own infrastructure or opt for enterprise-grade solutions with dedicated support. OneUptime is 100% open-source and can be self-hosted on your own infrastructure. It supports deployment via Docker, Kubernetes, and other container orchestration platforms. The platform is designed for scalability and reliability, making it suitable for both small teams and large enterprises. Comprehensive documentation and community support are available to assist with deployment and configuration.
Self-hosted uptime monitoring for websites and APIs
Peekaping is an open-source, self-hosted uptime monitoring solution designed for small teams and businesses that need to catch outages before users do. Built with Go and React, it provides engineer-grade monitoring with complete data ownership and no cloud dependencies. Monitor Types - Web & Network: HTTP/HTTPS, TCP, Ping (ICMP), DNS - Application & Infrastructure: Push webhooks, Docker containers, gRPC, SNMP - Databases & Caches: PostgreSQL, Microsoft SQL Server, MongoDB, Redis - Messaging & Streaming: MQTT Broker, RabbitMQ, Kafka Producer Alert Channels - Email & Webhooks: SMTP, custom webhooks - Chat & Collaboration: Telegram, Slack, Google Chat, Signal, Mattermost, Matrix, Discord, WeCom, WhatsApp - On-Call & Incident: PagerDuty, Opsgenie, Grafana OnCall - Mobile Push & Self-Hosted: NTFY, Gotify, Pushover Status Pages - Public branded status pages showing uptime and performance metrics - Customizable branding and metrics display API-First Design - REST API with Swagger/OpenAPI documentation - Modular architecture for easy extension - Pluggable storage backends (PostgreSQL, MongoDB, SQLite) Core Technologies - Backend: Go (Golang) for high-performance monitoring - Frontend: React + TypeScript for admin dashboard and status pages - Deployment: Official Docker images with docker-compose support - Storage Options: PostgreSQL, MongoDB, or SQLite for flexible setups Peekaping is MIT-licensed and completely free for both personal and commercial use. It offers a modern alternative to proprietary uptime monitoring services while maintaining full data privacy and control.
Self-hosted uptime monitoring with multi-region probes
EasyMonitor is an open-source, self-hosted uptime monitoring solution that uses multi-region probes and quorum-based alerts to eliminate false positives. Deploy with a single docker compose up and gain full control over your monitoring data. - Multi-region probes: Deploy lightweight Go probes on any server you own via Tailscale, Cloudflare Tunnel, or VPN - Quorum-based alerts: Cross-probe voting eliminates false alarms from single flaky vantage points - Unlimited monitors: No tier caps or per-monitor pricing—just unlimited monitoring on your hardware - Multi-channel alerts: Email, Pushover, Slack, Discord, and webhooks with per-user channel preferences - Custom status pages: Public, unlisted, or private pages with custom domains, themes, and auto-HTTPS - TimescaleDB integration: Automatic compression (90%+ smaller) and configurable retention for scalable time-series data - Teams & projects: Role-based permissions and per-user notification preferences - One-command install: Interactive setup with automatic DNS configuration and secret generation - Stack: Laravel 12 (PHP 8.4), PostgreSQL 18, TimescaleDB 2.26, Redis 7 Streams, Go 1.24 probes - Deployment: Single Docker Compose setup with Caddy for automatic TLS - Hardware requirements: ~2GB RAM for basic use, $5 VPS sufficient for hundreds of monitors - License: MIT - Probe binary: ~10MB lightweight Go binary deployable anywhere Why self-host? SaaS monitoring vendors can become blind spots during their own outages. EasyMonitor puts the watcher under your control with unlimited monitors, custom domains, and enterprise-grade features at no cost.
Security and uptime monitoring for developers
StatusScout is a comprehensive security and uptime monitoring tool designed for developers and agencies. It provides real-time alerts for downtime, SSL issues, missing security headers, and exposed secrets, ensuring your applications remain secure and operational. - Uptime Monitoring: 24/7 monitoring with instant alerts when your site stops responding. - SSL Certificate Tracking: Alerts before certificates expire to prevent visitor warnings. - Security Header Scanning: Automatically detects missing critical browser security headers. - Subdomain Takeover Protection: Monitors SPF, DKIM, DMARC records and vulnerable subdomains. - Exposed Secrets Detection: Scans for accidentally public environment files, API keys, and sensitive credentials. - User Flow Monitoring: Scheduled tests for key user flows like signup and checkout with failure alerts. - Multi-Channel Alerts: Supports email, SMS, and ntfy notifications. - Self-Hosting Option: Deploy to your own server with full feature access and data ownership. StatusScout is open-source and can be self-hosted on your own infrastructure. The self-hosted version includes all features with no restrictions, though you manage updates, backups, and infrastructure. Cloud-hosted plans are also available for managed services. Made and hosted in the EU with renewable energy-powered infrastructure.
About UptimeRobot
UptimeRobot is a leading uptime monitoring service that helps teams track website availability, SSL certificates, ports, cron jobs, and APIs in real time.
Key Features of UptimeRobot
- Uptime Monitoring: Track website & endpoint availability, ping, port, cron jobs, APIs, and UDP services
- Advanced Monitoring: SSL certificate, domain expiration, DNS, and response time monitoring
- Alerting & Notifications: Instant alerts via email, SMS, Slack, and 20+ integrations
- Status Pages: Public status pages to communicate downtime to users
- Multi-location Checks: Monitor from multiple global locations
- Incident Management: Track and manage incidents effectively
- Free Tools: Includes subnet calculator, website change detection, MX lookup, and more
- API & Integrations: Full API access and integrations with GitHub, Slack, n8n, and others
- Mobile App: Monitor and manage alerts on the go
Tech / Self-Hosting
UptimeRobot is a fully managed SaaS platform with no self-hosting option available. The service operates from multiple global data centers and provides enterprise-grade reliability.