Upptime is described as 'GitHub-powered open-source uptime monitor and status page' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Upptime for a variety of platforms, including Web-based, SaaS, Windows, Self-Hosted and Linux apps. The best Upptime alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Upptime are Better Stack, UptimeRobot, Tianji and Pingdom.
Self-hosted Windows Server monitoring software for networks, servers, virtualization, applications, cloud services, logs and traffic. It discovers devices, maps topology, applies reusable policies, correlates alerts, analyzes network flows and automates responses.
Poland
EU
WebsitePulse.io checks your website around the clock and tells you the moment something breaks, by email or WhatsApp.
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
Real-time monitoring with checks every minute from over 30 global locations, alerts for outages or slowdowns, detailed uptime and response time reports, customizable alerts, public status pages, SSL and domain monitoring, and REST API for automation.
United States
WebOrbiton Monitor is a modern, ultra-light, and self-hosted service monitoring and status page system designed to run without a VPS or database.
PolandEU
PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
United States
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
SiteDelta is an Add-on for old versions of Mozilla Firefox (before the introduction of WebExtensions).
GermanyEU
Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.
Cachet is a simple to use and easy to manage status page system and can be easily installed and used to track third party service letting your users know what's going on.
United Kingdom
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
