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smee.io vs Pinggy: catalog facts
smee.io	Pinggy
Free Free to use.	Freemium Free tunnels with changing URLs; Pinggy Pro adds persistent URLs, with a 7-day trial.
Web, Command line	Windows, macOS, Linux, Web, Command line
No need to open ports or run a tunnel Built-in support in Probot GitHub Apps	Works over plain SSH without installing a client Supports HTTP, TCP, UDP and TLS tunnels
Needs the smee client running locally to forward events Intended for development, not production traffic	Free tunnel URLs change on reconnect Hosted service only; not self-hostable
Web application, Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No 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.