Sites and apps similar to StillOnline include Uptime Kuma, which is free and open source. Other options are Zabbix, Better Stack, Beszel and Netdata. You're spoiled for choice with Uptime Monitor Services like StillOnline: we list more than 50 alternatives for self-hosting, Android, Linux, iPhone and Windows.
Graylog is a powerful Security Information and Event Management (SIEM) solution offering a robust log analytics platform that simplifies the collection, search, analysis, and alerting of all types of machine-generated data.
United States
Comprehensive monitoring solution with over 200 sensor types, user-friendly interface, and powerful capabilities such as traffic analysis, failover clustering, and remote probes. Offers email and SMS alerts, supports SNMP and WMI, provides high-availability features and detailed reporting.
Germany
EU
Open-source interface for real-time visualization, search, monitoring logs or metrics, anomaly detection, and natural language queries in Elasticsearch, supporting machine learning, automated alerting, threat detection, and integration with tools like Slack and ServiceNow.
NetherlandsEU
Monitors applications for errors in real time, sending alerts through email, SMS, or chat, displaying diagnostics and error location, visualizing impact by release, and providing reproducible crash details for efficient troubleshooting across teams and platforms.
United States
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
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
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
Lansweeper discovers Windows, Linux and Mac machines in your network. In addition, it inventories network devices such as Printers, Routers and Switches.
BelgiumEU
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.
WebSite-Watcher detects website updates and highlights all changes in the text. WebSite-Watcher monitors web pages, password protected pages, discussion forums and much more.
AustriaEU
India
![(dark mode) Server Resource Monitoring [1]](https://img.alternativeto.net/s/618x394/avif/hetrixtools_672860_full.png)
