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boringproxy vs Carabiner: catalog facts
boringproxy	Carabiner
Free Free and open source under the MIT licence.	Free Free and open source under GPL-3.0-or-later.
Windows, Linux, Self-hosted	Linux
Automatic HTTPS certificates Web UI for managing tunnels	Supports HTTP, UDP, and TCP services Works with Ngrok, Playit, and Cloudflare tunnels
Last code change was in 2024 Needs a server with a public address	Linux only
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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