I2P 0.7.13

4.7 out of 5 stars 4.7 (54 votes)

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Mac, Unix, Windows (All) / Freeware / 4,930 downloads

I2P is an anonymous network exposing a simple layer that applications can use to anonymously and securely send messages to each other. The network itself is strictly message based (ala IP), but there is a library available to allow reliable streaming communication on top of it (ala TCP). All communication is end to end encrypted (in total there are four layers of encryption used when sending a message), and even the end points ("destinations") are cryptographic identifiers (essentially a pair of public keys).

  • Homepage

    I2P

  • Requirements

    Sun Java or equivalent JRE

  • Uninstaller

    Yes

  • Latest Changes

    - Several bug fixes and improvements to the plugin support introduced in 0.7.12

    - Fix a bug with window size adjustment that had a big impact on outbound bandwidth

    - Fix a bug with handling duplicate SYN packets

    - Rework several parts of the UDP transport to eliminate locking

    - Lower the number of duplicate acks included in UDP to reduce protocol overhead

    - Greatly reduce global locking in the bandwidth limiter

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Reviews of I2P

  1. 5 out of 5 stars
    hottuna

    Reviewing 0.6.4 (Oct 22, 2008)

    A decentralized anonymizing layer built on top of the regular internet.

    It has a gnutella client, i2Phex, a emule like kademlia-client called iMule.

    Very useful and has a very helpful dev- team.

  2. 3 out of 5 stars
    Xssshell

    Reviewing 0.6.1.24 (Jul 31, 2006)

    Not as secure as you believe.
    Real security is when you do not need to encrypt anymore, due to the high security level you already have =).

    look at the OFF P2P System

  3. 5 out of 5 stars
    1uk3

    Reviewing 0.6.1.20 (Jun 5, 2006)

    Excellent work! Definitely one to watch.

  4. 5 out of 5 stars
    ccc1005

    Reviewing 0.6.1.18 (May 11, 2006)

    Very interesting network in its early stages. Has support for Gnutella and Bittorrent so far over I2P, with more to come. Definately worth checking out :)

  5. 3 out of 5 stars
    spiked

    Reviewing 0.6.1.18 (May 10, 2006)

    This is just an early cut at a new platform for programmers to write applications with. By itself, an end-user can't really do anything special. Like all other "anonymous" networking solutions, it's not truly 100% anonymous, but when you try to summarize and simplify, people will get the impression that it's actually anonymous. I don't think we need another such solution, especially one which is going to require special app support. Projects like Tor show more promise.

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