Download

Source code
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 functionality expected by the Linden Labs Second Life viewer 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 may 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.

Another option for obtaining the code is via mercurial from the OpenSim repository.

svn co http://opensimulator.org/svn/opensim/trunk opensim
 * Latest Subversion revision version (bleeding edge)

hg clone http://opensimulator.org/hg/opensim-trunk/ opensim
 * Latest mercurial revision version (bleeding edge)

http://dist.opensimulator.org/opensim-0.5.8.tgz
 * 0.5.8 is the latest release source tarball in .tgz format (a few steps back from the bleeding edge) (6/14/08)

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

Binaries
Please Note: Binary releases are unofficial - they are not endorsed by the core OpenSimulator development team and so we cannot guarantee their authenticity. If you use them, please don't necessarily expect support from the community, especially if they are older versions than the current version. At this stage in our development, it is often be the case that many hundreds of revisions have occurred and a number of issues have been fixed since the binaries were released. Currently, the preferred (and recommended) method to get a working system is to build OpenSimulator from source.

http://builds.opensimulator.org
 * '''Official Nightly Build Binary (Recommended for quick testing)

OSGrid Builds
These builds are binary releases by the OpenSim development team, prepared and hosted by (shameless plug) OSGrid.org

Un-Official Trunk Builds

 * OpenSim Trunk - builds.opensimulator.org
 * OpenSim Trunk - www.twingate.nl

Un-Official Nightly Builds

 * Opensim nightly build - opensim.be  <-Not working. Site not availabe(08/15).

Addons
Openlibrary release v0.28 (Aug 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 courtesy of Openlifegrid.com. After install all users will see these items & assets in the Libraries->Openlibrary root folder.
 * Openlifegrid.com Downloads (1 time registration required) contributions to the library are welcome.

To Use Replace your existing Assets & Inventory Library with the Assets & Inventory Folders contained in the downloaded .zip file.

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