Welcome to Tahoe-LAFS

Tahoe-LAFS is a secure, decentralized, fault-tolerant filesystem. All of the source code is available under a choice of two Free Software, Open Source licences. This filesystem is encrypted and spread over multiple peers in such a way that it remains available even when some of the peers are unavailable, malfunctioning, or malicious.

The one-page summary explains the unique properties of this system.

Get Started

• Try Tahoe-LAFS now! (For more information see the TestGrid Page on the wiki.)
• Download and install it on your own system.

Get Involved

• The tahoe-dev mailing list is the community forum.
• The tahoe-announce mailing list is a low-volume mailing list for announcements.
• The Dev page is the place to start hacking on Tahoe-LAFS.

Documentation

• the Doc page
• Frequently Asked Questions
• See TracStartingPoints for how to use this bug-tracker/source-code-browser/wiki.
  • Understand TracSecurityOverview first!
• TitleIndex is a complete list of pages on this wiki.
• Our Windows Client - source and builds for Windows.

Sponsorship

allmydata.com sponsors the Tahoe-LAFS project by providing hardware and data-center facilities along with the initial developer time. We are eternally grateful for their generous and public-spirited support. Please contact secorp@allmydata.org if you would like to sponsor Tahoe-LAFS too!

Donate!

    You can sponsor the Tahoe-LAFS project!

News and interesting links

2009-10-02 -- Tahoe-LAFS was presented at HadoopWorld in New York City

2009-10-01 -- Tahoe-LAFS is included in the next version of Ubuntu!

2009-09-06 -- Another interesting distributed file system - Xtreemfs.

2009-08-15 -- Allmydata has open-sourced its Windows client.

2009-08-04 -- Tahoe-LAFS is reviewed by Ars Technica.

2009-08-01 -- v1.5 released! This is a major release adding UI, performance, portability and forward-compatibility improvements and fixing a couple of small bugs. Please see the Release Notes.

2009-05-27 -- The Open Knowledge Foundation is now running a Tahoe-LAFS grid!

2009-05-07 -- The "Hack Tahoe!" Contest Hall of Fame has been updated to show a picture of Christian Grothoff's smiling face as he receives his personalized "I Hacked Tahoe" t-shirt.

2009-04-18 -- NEWSFLASH! Tahoe-LAFS Developer Goes Crazy -- Laptop Versus Axe! -- Chaos On Stage At CodeCon -- Film at 11

2009-04-13 -- v1.4 released! This is a major release adding garbage collection, improved diagnostics, and fixing a major performance problem with downloading multi-GB files. Please see the Release Notes.

2009-04-09 -- Several students have signed up to hack on Tahoe this summer as part of Google Summer of Code! Join the discussion on the mailing list or edit the GSoCIdeas page.

2009-02-13 -- v1.3 released! This is a major release adding repairer, backup command, large file support, (S)FTP server, and more. Please see the Release Notes.

2008-10-29 -- Why RAID 5 stops working in 2009

2008-10-16 -- Hype vs. FUD Security of computing and data in the cloud

2008-09-23 -- A Performance Evaluation and Examination of Open-Source Erasure Coding Libraries For Storage will be presented at FAST-2009: 7th USENIX Conference on File and Storage Technologies