Feature Matrix

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This is a matrix of the features currently implemented in OpenSimulator. Please feel free to correct existing entries and add new ones. The data in this matrix refers to the currently released version of OpenSimulator unless otherwise stated.

OpenSimulator can run on Linux & Mac with MONO, see the Mono project for availability or your distribution provider. Windows requires Net Framework 3.51 available from MS Downloads


Feature Name Core OpenSim? Notes
Create/change/move/delete prims Yes  
Prim sizing Yes Default supported sizes 0.001m to 256.000m (Viewer Support Required)
Prim hollows Yes Default supported hollows to 99% or 0.001 (Viewer Support Required)
Persistent prim inventories Yes  
Basic asset types Yes Basic asset types include textures, sounds, notecards, etc.
Coalesced object groups Yes Coalesced object groups means being able to take a selection of unlinked objects as one group that can be rezzed back in the same spatial arrangements. Support added in OpenSimulator 0.7.1
Linksets Yes Bugs (some fairly fundamental) remain with linksets but basic support is implemented.
Linkset Limits Yes Can be larger than 255 prims, and can cover an entire region. (Viewer Support Required)
Media on a prim/Shared Media Yes Support added in OpenSimulator 0.7.1.
Dynamic textures Yes Dynamic textures are textures that can be created on the fly via draw commands.
Sculpties Yes  
Mesh Yes Mesh was implemented in OpenSimulator 0.7.2 onwards. Complies with current Linden Lab viewer 3 specs. Previous OpenSimulator versions contained the initial beta implementation. Please note that this feature is experimental and should be used cautiously.



Feature Name Core OpenSim? Notes
Walking Yes  
Flying Yes  
Sitting Yes  
Animations Yes  
Gestures Yes  
Attachments Partial Both worn attachments and Head Up Displays (HUDs) are implemented. Outfits are implemented. Wearing multiple attachments at a single point will be a feature of the forthcoming OpenSimulator 0.7.6. Temporary attachments may be buggy.
Combat Yes  
Region crossing Yes  
Teleport Yes  
Persistent avatar inventories Yes  
Inventory library Yes  
Chat Yes  
Instant messaging Yes Offline IM storage requires third party packages such as http://forge.opensimulator.org/gf/project/opensimwi/ in releases before 0.7.2. And between 0.7.2 and current dev code (pre 0.7.6) it still required external PHP scripts. See Offline Messaging for more details.
Names Partial Ordinary names consisting of a first and last name separated by a space are implemented. 'Display' names are not yet implemented.
Archiving Yes Users inventories and parts of inventories can be saved and loaded as OpenSimulator Inventory Archives.
Friends Yes  
Lure Yes  
Groups 3rd party Group support is only available as third party projects:

These services have connectors that are bundled with core OpenSimulator. See Enabling Groups and the OpenSim.ini.example file for more details.

Profiles 3rd party

Only avatar names are stored in core OpenSimulator. Profile support (e.g. interests, 1st Life, etc.) is available via 3rd party modules, though these may currently only support OpenSimulator 0.6.9. Please add suitable links here.

Search 3rd party Search support is only available via third party modules.


Feature Name Core OpenSim? Notes
Scripts Yes A large percentage (though not all) of LSL is implemented by OpenSimulator. There are also OpenSimulator specific OSSL functions available.
C# scripting Yes C# scripting is experimental and insecure. However, it can be useful in some situations
Script control Yes There are some facilities to control what user types can create and edit scripts. This can help secure an implementation using C# scripts. See the OpenSim.ini.example file in the OpenSimulator distribution for more details.



Feature Name Core OpenSim? Notes
Terrain Yes  
Sun Yes  
Wind Yes  
Cloud Yes  
Vegetation Yes  
Sound Yes Queueing sounds will be supported in the forthcoming OpenSimulator 0.7.6. However, not all sound facilities have been well tested (if there are gaps please set this back to partial and list them).
Minimap Yes  
World Map Yes  
Neighbouring regions Yes Regions can neighbour each other, even if hosted on different servers.
Archiving Yes Entire regions can be saved and loaded as OpenSim Archives.
Physics Yes There are several physics modules bundled with OpenSim, but only the ODE module (Open Dynamics Engine) really works.
Parcel management Yes  
Region settings Yes  
Region / Parcel Lightshare / Windlight Yes Lightshare implemented March 30,2010 (Git: ec637e2b8). LightShare/WindLight from Region to Client enables full environmental control of the simulation, providing a more complete immersive experience. Supported in most V3 and some modified V1 Viewers.
Telehubs Yes  
Estates Partial Partial estate support is implemented. However, the only way to manipulate estates currently is via direct changes to the database.
Avatar limits Yes Avatar limits were implemented in OpenSimulator 0.7.2.
Prim limits Yes Prim limits where implement in OpenSimulator 0.7.2.
Teleports Partial Teleporting in can be done to any point in or off world (if hypergrid enabled) however, Blocking teleports to a parcel is not currently enforced.
Megaregions Experimental This is a system that allows regions to be created on the simulator that are larger than 256m x 256m. This is implemented purely on the server without requiring a specially adapted client. However, this is not fully implemented and you may encounter various issues with megaregions.
NPCs Yes Allow NPCs to be created and manipulated on a region. This is handled purely on the server-side - NPCs are different from bots controlled as external clients via a library such as libomv.
Pathfinding No


Other Simulation Features

Feature Name Core OpenSim? Notes
IRC Yes Relay chat back and forth to an Internet Relay Channel.
Money 3rd party There are no plans to directly provide economy modules in OpenSimulator though custom currency names are supported in 0.7.2 and after. Third party facilities include:
Permissions Yes Permissions (e.g. controlling whether objects can be modified or copied) must be enabled in OpenSim.ini - these are not enabled by default
Monitoring Partial A number of monitoring facilities exist, though none of them yet cover everything that one would want to monitor.
Voice Partial Voice support is currently primitive. OpenSimulator currently bundles a Vivox module (only usable with a Vivox voice server) and a Freeswitch module. A third party Mumble voice module also exists which supports indication of which avatar is speaking. No module yet supports spatial voice.
Web frontends 3rd party Various third-party web frontends are available, detailed on the Webinterface page.


Server Features

Feature Name Core OpenSim? Notes
Local console Yes The local command console in OpenSimulator is the one present when you start an OpenSimulator instance
Remote console Partial This is not yet widely used and a few bugs have been reported with current functionality.
Remote admin Yes The remote admin plugin allows OpenSimulator commands to be executed remotely.
Logging Yes OpenSimulator uses the log4net package. More details on the logging page.



Feature Name Core OpenSim? Notes
Single server (standalone) mode Yes Persistent databases supported in standalone mode are SQLite and MySQL. A MSSQL exists and should work, but is not officially supported.
Grid (multi-server) mode Yes In grid mode, only persistence to a MySQL database is officially supported. Persistence can also be done with a MSSQL database but this is not officially supported.
Hypergrid Experimental This is an architecture, orthogonal to the previous two, that allows users to visit completely separate OpenSimulator installations while retaining their appearance, identity and inventory. This is under active development and should be considered experimental.


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