Download

Sourcecode
Here are the current released versions of OpenSim.

Please note: As OpenSim is still at an alpha code maturity stage, there is absolutely no guarantee that functionality works or is stable, even in the numbered releases. Certain features may not work either because the code is in rapid evolution, or because the functionality has simply not been implemented yet. However, constructive feedback is still welcomed.

Also, please be aware that OpenSim requires that you have a fair amount of technical knowledge in order to set it up - there is no point and click installer (and having one would probably be premature at this stage).

You need to use the Subversion source code management system to obtain the code. Subversion can be downloaded for Windows from here, or for Mac OS X 10.4.x here. SVN is built into Mac OS X 10.5.

svn co http://opensimulator.org/svn/opensim/trunk opensim http://opensimulator.org/cgi-bin/viewcvs.cgi/tags/0.5.6-release.tar.gz?view=tar svn co http://opensimulator.org/svn/opensim/tags/0.5.6-release opensim
 * Latest Subversion revision version (usually unstable)
 * Version 0.5.6 Alpha

http://opensimulator.org/cgi-bin/viewcvs.cgi/tags/0.5.4-release.tar.gz?view=tar svn co http://opensimulator.org/svn/opensim/tags/0.5.4-release opensim Please note: this version has a problem with the default physics engine that occurs when you try to rez a prim. To resolve this, switch to the OpenDynamicsEngine (ODE), by replacing physics = basicphysics with physics = OpenDynamicsEngine
 * Version 0.5.4 Alpha

http://opensimulator.org/cgi-bin/viewcvs.cgi/tags/0.5.1-release.tar.gz?view=tar svn co http://opensimulator.org/svn/opensim/tags/0.5.1-release opensim http://opensimulator.org/cgi-bin/viewcvs.cgi/tags/0.5.0-release.tar.gz?view=tar svn co http://opensimulator.org/svn/opensim/tags/0.5.0-release opensim http://dist.opensimulator.org/opensim-0.4.zip http://dist.opensimulator.org/opensim-0.4.tar.gz svn co http://opensimulator.org/svn/opensim/tags/0.4.5.3-stable opensim for those who prefer git, there is an "unofficial mirror" of SVN into git. It is intended for the collaborative prototyping/proofs of concept, etc. git clone http://opensim.be/git/opensim-svn.git If you know SVN and are interested to compare git, refer to the crash course
 * Version 0.5.1 Alpha
 * Version 0.5.0 Alpha
 * Version 0.4.0 Alpha

Official Builds

 * OpenSim 0.5.4 linux
 * Opensim 0.5.4 windows
 * OpenSim 0.5.1

Official Nightly Builds

 * OpenSim Trunk - builds.opensimulator.org

Unofficial Builds
These are compiled binary packages created daily from the svn repository. The EXE's can be run natively under Windows, but requires Mono to run under Mac OS X and Linux. They default to a standalone region setup, and can be configured normally. This is a modified version designed to work with the RealXtend or Seconlife Viewer. *RealXtend is not required for their client, but some features will not work without it. Prconfigured Ready to Run Standalone Version for XP/ Vista with Graphical Interface. This also includes the Openlibrary release 0.15 Common Assets & Inventory Add-on. (Built from 4314 with modifications) An unofficial VMware Appliance...
 * OpenSim.be Nightly Builds
 * RealXtend Build
 * OpenLife Standalone Version w/GUI
 * VMware Appliance

Addons
Openlibrary release (new) v0.20 is a collection of Texures, Skins, Clothing etc Assets & Inventory Items common to all users when installed to your OpenSimulator Release. This library is provided under Creative Commons 2.5 by Attribution License.
 * Openlibrary release 0.20 Asset & Inventory Addon

Older v.15* Mirror (login not required to download) To Use Delete your existing Assets & Inventory Library and Replace with the Assets & Inventory Folders contained in the .zip file.

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