Compare software

i2pd vs I2P: catalog facts
i2pd	I2P
Free Free to download and run.	Free The open-source software is available without a license fee.
Windows, Linux, Android, Command line	Windows, macOS, Linux, Android
Written in C++ rather than Java Android app and desktop app available	Every node relays, so the anonymity set grows with participation Built-in anonymous email, torrenting and site hosting
Useful only for services reachable over I2P Running a well-connected node works best when left on continuously	Slow, and reaching the ordinary internet needs an outproxy Smaller network and fewer services than Tor
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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