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Hyphanet vs I2P: catalog facts
Hyphanet	I2P
Free Free and open source, developed by volunteers.	Free The open-source software is available without a license fee.
Windows, macOS, Linux	Windows, macOS, Linux, Android
Publishing without a central server or authority Friend-to-friend mode invisible to centralized servers	Every node relays, so the anonymity set grows with participation Built-in anonymous email, torrenting and site hosting
Slower than the regular web because content is routed through peers Friend-to-friend mode needs trusted contacts already on the network	Slow, and reaching the ordinary internet needs an outproxy Smaller network and fewer services than Tor
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
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 September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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