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372 Monitoring apps

sorted A to Z · page 3 of 8

A–ZCheapestMost established
Narrow byFree plan372Open source64Self-hostable125
  1. 97Healthchecks.ioSimple and Effective Cron Job Monitoring$5–$80/moFree planOpen sourceSelf-hostable
  2. 98HeartBeat.pmFast and Reliable Website Uptime MonitoringFree plan
  3. 99HetrixToolsFree Uptime Monitor & Blacklist MonitorFree plan
  4. 100HitstepsReal-time web analytics that shows every visitor live$4.99–$449.99/moFree plan
  5. 101Hook.NotifierThe easiest way to send yourself a native push notification when something happens.Free
  6. 102Host MonFree Domain, URL, Website, & Host MonitoringFrom $4.95/moFree plan
  7. 103HoversYour AI Workforce for Topical Authority$99–$799/moFree plan
  8. 104HowFast MonitoringServer Response Time Monitoring$29.98–$99.98/moFree plan
  9. 105HTTP DebuggerDebug HTTP API Calls to BackendsFree plan
  10. 106Hydrozen.ioThe world's simplest uptime monitoring service.$19–$99/moFree plan
  11. 107HyperHostUkrainian Hosting Provider – HyperHost. Buy hosting for website$1.28–$120/moFree plan
  12. 108HyperpingShow uptime. Catch downtime.$29–$299/moFree plan
  13. 109IcingaMonitor Your Entire Infrastructure$166.67–$1250/moFree planOpen sourceSelf-hostable
  14. 110IderaSimplify SQL Server Management Across Your Data EcosystemFree planSelf-hostable
  15. 111iKeyMonitorBest Parental Control App for Android Phone and iPhone/iPad$10–$16.66/moFree planSelf-hostable
  16. 112IncidentHubReal-Time Vendor Monitoring That Actually Works$35–$90/moFree plan
  17. 113IndexFastAgent-Ready Indexing Ops for Fast-Publishing Teams$19–$249/moFree plan
  18. 114InstaRank SEOThe free Semrush and Ahrefs alternative — built for both classical Google rankings and AI search visibility.From $79/moFree plan
  19. 115InstatusGet ready for downtimeFree plan
  20. 116IntruderStop Breaches Before They StartFree plan
  21. 117IPNetwork MonitorProfessional Network & Server Monitoring ToolOne-timeFree planSelf-hostable
  22. 118Is it DownCheck website status from this United Kingdom based serverFree
  23. 119Is It Working?Simple monitoring for your SSL Certificates, and server scriptsFrom $1/moFree plan
  24. 120IsItIndexedA diagnostic tool that tells you why Google won't index your page — and whether AI platforms can find your content.Usage-basedFree plan
  25. 121JellyWatchThe Ultimate Jellyfin DashboardFree planSelf-hostable
  26. 122Kaizen FocusScreen-time & parental controlFree plan
  27. 123KEA liveInfrastructure monitoring built for developers who can't afford downtime$12–$149/moFree plan
  28. 124KeakAI-Powered A/B Testing PlatformUsage-basedFree plan
  29. 125KenerOpen Source Service Status PageFree planOpen sourceSelf-hostable
  30. 126KeuperaAI-native SEO software for startups and agencies$50–$500/moFree plan
  31. 127KibanaYour window into all of your dataFree planOpen sourceSelf-hostable
  32. 128KikloperModern uptime, SSL, and domain monitoring for freelancers, developers, and agencies.$5–$10/moFree plan
  33. 129KlaxonYou’ll know first.Free planOpen sourceSelf-hostable
  34. 130Known AgentsTurn the rising wave of bot traffic and AI agent activity into new growth for your business$29–$299/moFree plan
  35. 131KPIKITRevenue & KPI Optimization for WebsitesFree plan
  36. 132KuboParental Control that Builds Healthy HabitsFree planSelf-hostable
  37. 133Kuvasz UptimeThe developer- and cloud-friendly uptime monitorFreeOpen sourceSelf-hostable
  38. 134LarmKnow before your customers do.$19–$49/moFree plan
  39. 135Latency TestPerformance & Uptime Monitoring for APIs and WebsitesFrom $6.58/moFree plan
  40. 136LegitUptimeLegit and reliable uptime monitoring and status page tools$8–$49/moFree plan
  41. 137LinkSweepFind Every Broken Link Before Your Visitors DoFrom €29/moFree plan
  42. 138LogPulseAsk your logs anything.From €59/moFree plan
  43. 139Logstalgiaa website access log visualization toolFree planOpen source
  44. 140LunalyticsMonitor Everything EffortlesslyFree planOpen sourceSelf-hostable
  45. 141LuxkernOSNatural Language Ops. Self-Healing Infrastructure. Zero YAML.From €19/moFree plan
  46. 142LynisSecurity auditing, system hardening, and compliance monitoringFrom $3/moFree planOpen sourceSelf-hostable
  47. 143LyticalStop Guessing. Start Knowing.$29–$99/moFree plan
  48. 144MailReachBetter email deliverability, faster growthFree plan