The best free alternative to UptimeRobot is Uptime Kuma, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to UptimeRobot and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to UptimeRobot are Better Stack, Tianji, Kener and HetrixTools.
AI-driven SRE platform offering real-time infrastructure monitoring, incident management, log analytics, traces, error tracking, metrics, real user monitoring, status pages, and a warehouse, with full data ingestion, centralized dashboard, custom alerts, and reduced costs.
United States
Self-hosted monitoring tool to track uptime via HTTP(s), TCP, Ping, and more with reactive design. Offers 20-second interval checks, notifications through various channels like Webhook, Telegram, supports multiple languages, includes status page and ping charts, aiding small to medium enterprises effectively.
Hong Kong
Unified analytics and uptime platform, optimized for casual users with a streamlined, deploy-anywhere approach.
China
Open-source Node.js status page tool, designed to make service monitoring and incident handling a breeze. It offers a sleek and user-friendly interface that simplifies tracking service outages and improves how we communicate during incidents. And the best part?
HetrixTools offers minute-by-minute global uptime monitoring with 15 free monitors, blacklist alerts for IPs and domains, and server resource tracking. Features a user-friendly design, public uptime pages, white label reports, and continuous updates for enhanced functionality.
United States
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/309x197/jpeg/hetrixtools_672860_full.png)
Provides uptime, performance, and page speed monitoring for up to 10 websites. Offers customizable alerts by email, SMS, or third-party apps, root cause analysis, mobile support, server and SSL checks, plus a free plan with detailed reports for diagnostics.
United Kingdom
Receive detailed website downtime alerts by phone, SMS, email, or Slack, monitor uptime and performance in real time from global data centers, avoid false positives, create customizable status pages, generate incident management and performance reports.
Ukraine
Monitors uptime and availability from 300+ worldwide locations with checks for HTTP, ping, content, SSL, domain expiration, DNSBL blacklists and more. Alerts via email, SMS, calls, messengers, webhooks, and push. Includes public status pages, tools, and REST API.
United Kingdom
Instantly set up static status pages that load up to 10x faster, enable unlimited team updates, notify all subscribers for free, and operate independently of backends. Plans start free, with paid options well below legacy competitors’ prices. Boosts reliability and keeps users informed.
United States
UpTower is an easy-use tool for website monitoring. UpTower checks websites in 1-minute intervals and notifies user via push notifications about every outage immediately. Using UpTower app user can monitor websites and their availability for free.
Poland
EU
United States
Open-source observability platform providing uptime monitoring, alerts, incident management, status pages for transparency, log and error tracking, performance and security monitoring, automated API testing, on-call rotation, and integrated root-cause analysis for operations teams.
India
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/618x394/avif/hetrixtools_672860_full.png)
