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OpenSim is a BSD Licensed Open Source project to develop a functioning virtual worlds server platform capable of supporting multiple clients and servers in a heterogeneous grid structure. OpenSim is written in C#, and can run under Mono or the Microsoft .NET runtimes.

OpenSim is currently in the alpha development stage, with active testing of SVN trunk versions encouraged.

Please read our Contributions_Policy before contributing, and to learn what OpenSim's values are.

Getting Started with OpenSim

• Features - Key features of the OpenSim platform.
• Download - Download a copy of OpenSim.
• Installation - How to install the simulator software.
• Configuration - How to configure the simulator for various modes.
• Client Setup - How to connect to an OpenSim server with the Second Life client
• Operator Manual - Describes how to control the OpenSim server
• Scripting - LSL that works with OpenSim, custom functions(OSL), and proposals
• Troubleshooting - How to trouble shoot your OpenSim installation.
• FAQ - Frequently asked questions.

Participating in the OpenSim Community

OpenSim is an open source project. This means that it is developed by anyone who wants to participate. This could be you! We welcome testers and developers alike.

• Contributions Policy - Read about the contribution policy first

Support

• Support - You can receive/give help via the IRC channels

Various mailing lists are available for communication between users and developers. A list is available to subscribe to email SVN commit notifications.

• opensim-users - a user support forum for OpenSim
• opensim-dev - development discussion of OpenSim
• opensim-commits - an email list for svn commits

News

Custom osFunction Ideas wanted

OpenSim's own scripting team is accepting ideas/requests/wishlists for custom functions. Have a look at the full list over here.

You can browse older news items at the news archive.

OpenSim Development

The OpenSim Team is currently working towards the 0.5 release of OpenSim. See the Roadmap for details.

For more information on OpenSim development and on how you can make your mark, check out the development section.

Getting online

There are several public grids and several standalone arrays running 24/7. For the casual user as well as those who want to run their own public regions, there is a list of available sims at OpenSim: Grids. Most of these grids have representation on the #opensim chat channel for asking and answering questions.

While OpenSim is not affiliated with any one grid there are many prominent Grids.

Bugs

Please use the SecondLife official 1.18.5.3 client on Linux, Mac OS X, and Windows- third party viewers and modified viewers add more variables to a bug, making it harder to track down. The bug may not even be an OpenSim one! Make sure you use only the official client. See notes on configuring your client over at the client setup page.

You can report bugs at the Mantis bugtracker.

Note: Some email providers are tagging Mantis emails as spam. If you sign up for a Mantis Account and don't get a confirmation email:

• Check your spam folder, see if it is there. GMail is consistently tagging these as spam.
• If you are using Yahoo, you'll need to wait ~ 8 hrs to receive any email from opensimulator.org.

Other languages

You can also see this wiki in these other languages: Spanish | German | Francais | Italian | ...