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372 Monitoring apps

most established first · page 4 of 8

A–ZCheapestMost established
Narrow byFree plan372Open source64Self-hostable125
  1. 145failover.ioNever miss an alert$19–$79/moFree plan
  2. 146FaultFixerFor websites & apps to self-heal themselvesFree
  3. 147FlareWardenSmarter uptime monitoring that maps your entire stack automatically.$10–$229/moFree plan
  4. 148FodarisInfrastructure monitoring that stays on your termsFrom £11.99/moFree planSelf-hostable
  5. 149FoundersDeckYour data. Your jurisdiction. Zero CLOUD Act.From €9/moFree plan
  6. 150FreeSEO.appyour free and smart SEO audit toolFree
  7. 151GatusNever miss an outage again$10–$500/moFree planOpen sourceSelf-hostable
  8. 152Generator LabsBlacklist, Certificate & TLS Monitoring$8–$16/moFree plan
  9. 153GhostdAI Visibility Platform for ChatGPT, Claude, Gemini & Perplexity$175–$199/moFree plan
  10. 154GlowSupport & maintenance software for WordPress agencies.From $1.95/moFree plan
  11. 155GrowGanicAdd a domain. The engine does the rest. You do nothing.$129–$349/moFree plan
  12. 156GuardiusDetect, analyze, monitor and improve$249–$1149/moFree plan
  13. 157GuardrCatch what breaks on your client sites before the email arrives.$7–$179/moFree plan
  14. 158HajimeStart and optimize your Minecraft server in seconds with Hajime, the ultimate startup script.FreeOpen source
  15. 159HeartBeat.pmFast and Reliable Website Uptime MonitoringFree plan
  16. 160Hook.NotifierThe easiest way to send yourself a native push notification when something happens.Free
  17. 161Host MonFree Domain, URL, Website, & Host MonitoringFrom $4.95/moFree plan
  18. 162HoversYour AI Workforce for Topical Authority$99–$799/moFree plan
  19. 163HowFast MonitoringServer Response Time Monitoring$29.98–$99.98/moFree plan
  20. 164HTTP DebuggerDebug HTTP API Calls to BackendsFree plan
  21. 165Hydrozen.ioThe world's simplest uptime monitoring service.$19–$99/moFree plan
  22. 166HyperpingShow uptime. Catch downtime.$29–$299/moFree plan
  23. 167iKeyMonitorBest Parental Control App for Android Phone and iPhone/iPad$10–$16.66/moFree planSelf-hostable
  24. 168IncidentHubReal-Time Vendor Monitoring That Actually Works$35–$90/moFree plan
  25. 169IndexFastAgent-Ready Indexing Ops for Fast-Publishing Teams$19–$249/moFree plan
  26. 170InstaRank SEOThe free Semrush and Ahrefs alternative — built for both classical Google rankings and AI search visibility.From $79/moFree plan
  27. 171IPNetwork MonitorProfessional Network & Server Monitoring ToolOne-timeFree planSelf-hostable
  28. 172Is it DownCheck website status from this United Kingdom based serverFree
  29. 173Is It Working?Simple monitoring for your SSL Certificates, and server scriptsFrom $1/moFree plan
  30. 174IsItIndexedA diagnostic tool that tells you why Google won't index your page — and whether AI platforms can find your content.Usage-basedFree plan
  31. 175Kaizen FocusScreen-time & parental controlFree plan
  32. 176KEA liveInfrastructure monitoring built for developers who can't afford downtime$12–$149/moFree plan
  33. 177KenerOpen Source Service Status PageFree planOpen sourceSelf-hostable
  34. 178KeuperaAI-native SEO software for startups and agencies$50–$500/moFree plan
  35. 179KikloperModern uptime, SSL, and domain monitoring for freelancers, developers, and agencies.$5–$10/moFree plan
  36. 180KlaxonYou’ll know first.Free planOpen sourceSelf-hostable
  37. 181KPIKITRevenue & KPI Optimization for WebsitesFree plan
  38. 182KuboParental Control that Builds Healthy HabitsFree planSelf-hostable
  39. 183Kuvasz UptimeThe developer- and cloud-friendly uptime monitorFreeOpen sourceSelf-hostable
  40. 184LarmKnow before your customers do.$19–$49/moFree plan
  41. 185Latency TestPerformance & Uptime Monitoring for APIs and WebsitesFrom $6.58/moFree plan
  42. 186LegitUptimeLegit and reliable uptime monitoring and status page tools$8–$49/moFree plan
  43. 187LinkSweepFind Every Broken Link Before Your Visitors DoFrom €29/moFree plan
  44. 188LogPulseAsk your logs anything.From €59/moFree plan
  45. 189Logstalgiaa website access log visualization toolFree planOpen source
  46. 190LunalyticsMonitor Everything EffortlesslyFree planOpen sourceSelf-hostable
  47. 191LuxkernOSNatural Language Ops. Self-Healing Infrastructure. Zero YAML.From €19/moFree plan
  48. 192LyticalStop Guessing. Start Knowing.$29–$99/moFree plan