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Tunnelmole vs Webhook Relay: catalog facts
Tunnelmole	Webhook Relay
Freemium Free and open source; the hosted service also has a pricing page for paid options.	Freemium Free plan with 150 webhooks a month; paid plans for higher volume.
Windows, macOS, Linux, Self-hosted, Command line	Web, Command line
Single command gives a local port a public HTTPS URL Installs via a script or npm	Delivers webhooks to localhost and private networks Durable retries during outages
Windows without WSL requires Node.js Pricing details for the hosted service are not documented in the research	Hosted service that requires an account Free plan limited to 150 webhooks a month
Downloadable app, Self-hosted, Hosted service	Downloadable app, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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