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LibrePing vs OnWebChange

Both stand on website monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

LibrePing

Free plan APILinuxSelf-hosted+1

LibrePing provides decentralized, self-hostable monitoring with signed results, shared checks, dashboards, and alert integrations. It is free under AGPL-3.0, with configurable probe limits and default history-retention periods.

Visit LibrePing

OnWebChange

Free plan AndroidAPIiPhone+1

OnWebChange covers targeted webpage monitoring, documents, and protected pages, with several alert channels and tracker-management options. Its free tier is limited to three daily-monitored trackers; paid monthly plans add capacity, including unlimited trackers on Standard.

Visit OnWebChange

The facts

LibrePingOnWebChange
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, Linux, Self-hosted, WebAndroid, API, iPhone, Web
Lowest paid planNot publishedLite: €0.89 a month
Plans publishedNone5
MakerNot publishedNot published
Websitegithub.comonwebchange.com
On website monitoring software#16 of 55#6 of 55

LibrePing: what it does well

  • Multiple geographic monitoring locations
  • HTTP, TCP, DNS, TLS, ICMP, traceroute checks
  • Peer-to-peer federation without a central server
  • Encrypted alert destinations
  • Docker hub and probe deployments

What to know first

  • Default probe cap is 300 checks per minute
  • Detailed results retained seven days by default
  • Probe locations lack cryptographic geographic proof
  • Failover may send duplicate alerts

OnWebChange: what it does well

  • Tracks selected elements such as prices and headlines
  • Supports dynamic JavaScript-loaded pages
  • Can monitor PDFs, images, and text files
  • Checks can run as often as every 5 minutes

What to know first

  • Free plan is limited to 3 trackers
  • Free plan uses basic daily monitoring
  • Pushover is a third-party mobile notification service

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