OneUptime is described as 'Open-source observability platform with uptime, alerts, incident management, status page, error and log tracking, performance, security, and test automation' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to OneUptime for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and iPhone apps. The best OneUptime alternative is Uptime Kuma, which is both free and Open Source. Other great apps like OneUptime are Better Stack, UptimeRobot, Pingdom and Kener.
Website monitoring that helps detect and resolve issues before they impact website users. Response time tracking, keyword monitoring, custom alerts via WhatsApp, email, SMS, and more.
Georgia
Covers uptime, cron jobs, SSL and domain expiry, TCP ports, DNS records, and tracks incidents, with per-monitor alerts via Telegram, Slack, SMS, and more, white-label status pages, robust history, API access, self-hosting, and maintenance features.
Uptime and error monitoring for websites, APIs, ports, DNS and SSL certificates — instant alerts across 12 channels, grouped error tracking and public status pages, GDPR-compliant.
Germany
EU
Run instant uptime diagnostics from your phone, or let Pro watch your targets automatically from the cloud, every 5 minutes. A simple, mobile-first uptime monitoring app for developers, freelancers, and small business owners.
Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.
United States
RelayRadar is an operator-focused reliability platform that combines uptime monitoring, incident alerts, and domain intelligence into a single workflow.
United States
Free uptime monitoring for websites, servers and APIs. Supports HTTP, TCP, UDP and ICMP. Instant alerts to Telegram, Discord, Slack.
Belarus
Valla DNS is a free, no-signup, all-in-one domain and network intelligence toolkit for developers, sysadmins, and IT professionals. It brings the checks you normally spread across a dozen sites into one fast, dark-mode-friendly interface, with no login and no paywall.
United States
Stasis uses machine learning to model normal activity patterns for your website or app, then lets you know if something looks unusual.
Ultralight open source server monitoring agent, written in Rust. Ships CPU, RAM, disk and network metrics over OTLP to any compatible backend.
Many companies fire their SEO because they don't know what they are doing for them. With Workado you can choose to send them activity reports that let them know exactly what they are paying for. This makes clients happy!
Reliable, self-hosted website uptime monitor with detailed performance reports, customizable status pages, and automated incident management.
RomaniaEU
Spain
