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Welcome to Allmydata "Tahoe"

The Allmydata "Tahoe" project is a secure, distributed, fault-tolerant storage grid, available under a free-software license.

You can store files in the grid and retrieve them with a cryptographically generated URI that securely identifies and decrypts that file. You can also organize files with filenames and directories, in the familiar style. The basic idea is that the data in this storage grid is spread over all participating nodes, using an algorithm that can recover the data even if a majority of the nodes are no longer available.

The code is currently functional. It is targeted at hackers who are willing to use a minimal, text-oriented web user interface.

Get Started

DownloadDebianPackages tells how to get prebuilt packages for a Debian-like system (including Ubuntu).

The the README file tells how to acquire and build the source code, how to run a node than can upload and download files, how to connect to the public test grid operated by Allmydata, Inc., and how to set up your own private grid.

Latest News

2007-06-29 -- Allmydata Tahoe v0.4 to be released Real Soon Now

This version adds encrypted, mutable directories, so that you can organize your files into directories, change the contents of directories, and share your directories with your friends, without thereby sharing your directories with anyone else -- not even with the owners of the servers that host your directories.

There are also other changes. More details coming soon. In fact, it isn't actually released at all yet, but will be within a few hours, probably.

Other News and Status Information

See the News page for buildbot, mailing list, blogs, and other news and status information.

Documentation

  • the release notes, announcing the first public release on May 2, 2007 and giving a general overview of why the Tahoe project exists
  • architecture.txt, explaining the design decisions that have given the grid its current shape
  • roadmap.txt, showing how the functionality has been incrementally improved so far, and what improvements we plan to make next
  • codemap.txt, laying out the software design and the organization of the source code
  • TahoeIssues? contains some discussion, open issues, and more docs

License

Tahoe is offered under the GNU General Public License (v2 or later), with the added permission that, if you become obligated to release a derived work under this licence (as per section 2.b), you may delay the fulfillment of this obligation for up to 12 months. Code that you release must be released under this same licence including this added permission.

Test Grid

An experimental public grid is running on Allmydata servers. It is subject to being updated at random times, so compatibility is likely to break without notice. It is currently running v0.3.

After installing the code according to the README, set up a client node with the following files in its base directory:

file namefile contents
introducer.furlpb://xextf3eap44o3wi27mf7ehiur6wvhzr6@207.7.153.180:56677,127.0.0.1:56677/introducer
vdrive.furlpb://xextf3eap44o3wi27mf7ehiur6wvhzr6@207.7.153.180:56677,127.0.0.1:56677/vdrive

Trac Starting Points -- How To Use This Bug Tracker/Source? Code Browser/Wiki?

The following are all written by members of the Trac community and apply to "Trac", the Bug Tracker/Source? Code Browser/Wiki?.

For a complete list of local wiki pages, see TitleIndex.

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