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Peekaping vs HetrixTools: catalog facts
Peekaping	HetrixTools
Free The software is free under its open-source licence. Hosting, hardware and external…	Freemium Free tier with 15 uptime and 32 blacklist monitors; paid plans add more.
Linux, Self-hosted, Web	Web
It covers the familiar Uptime Kuma feature set on a Go and React stack, which uses noticeably fewer…	Generous free tier for uptime and blacklist monitoring Checks from up to 12 locations
It is a much younger project than the tool it is modelled on, so the integration list and…	Hosted only, with no self-hosted option Requires an account
Self-hosted	Web application, Hosted service
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.