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I2P vs Yggdrasil: catalog facts
I2P	Yggdrasil
Free The open-source software is available without a license fee.	Free Free and open source, with no paid tier.
Windows, macOS, Linux, Android	Windows, macOS, Linux, Android, iOS, Command line
Every node relays, so the anonymity set grows with participation Built-in anonymous email, torrenting and site hosting	All traffic is end-to-end encrypted Fully decentralised with no coordination server
Slow, and reaching the ordinary internet needs an outproxy Smaller network and fewer services than Tor	Alpha-stage software with possible breaking changes Experimental network rather than a privacy VPN for hiding your IP
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
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.