InWorldz Halcyon 3d virtual reality world simulator
C# HTML C C++ Makefile JavaScript Other
Latest commit e13a904 Feb 18, 2018
appurist Merge pull request #421 from InWorldz/duplicate-CompleteAgent
Mitigate against a duplicate CompleteMovement which is Bad. May fix Mantis 3287.
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InWorldz Moved the Halycon.exe.config (output) contents to the app.config file… Dec 23, 2017
MOSES/FreeswitchVoice Added README documentation on external service expectations, and ini … Mar 7, 2017
OpenSim The precheck and return must be outside the try/finally to avoid havi… Feb 18, 2018
OpenSimProfile/Modules Mantis 948: Parameters passed were reversed from what they should be. Mar 23, 2017
Prebuild Add .Net 4.6 and 4.6.1 support to Prebuild.exe Jan 29, 2016
ThirdParty Get a copy of Prebuild into ThirdParty with the InWorldz specific cha… Jun 17, 2016
ThirdPartyLicenses Initial import from SVN Sep 11, 2015
bin Updated Phlox DLL from Phlox PRs #9 and #22 Dec 6, 2017
doc Added docs and support for simplified shutdown and restart XMLRPC calls. Dec 4, 2017
lib In the non-NuGet version, include the NuGet LibreMetaverse DLLs. Mar 29, 2017
share Initial import from SVN Sep 11, 2015
.appveyor.yml Crummy whitespace sensitive lang... Dec 4, 2017
.gitignore Eliminate an extra space that was freaking out GitKraken Dec 3, 2017
Halcyon.DotSettings Add resharper settings that make things more friendly Sep 13, 2016
Halcyon.sln.DotSettings Add resharper settings that make things more friendly Sep 13, 2016
LICENSE Initial commit Sep 8, 2015 Wiki link was still broken. Now it's still fixed. ;) Nov 22, 2017
prebuild.xml Put all the required dlls in a lib folder for runprebuild2015.bat to … Mar 29, 2017
runprebuild.bat Initial import from SVN Sep 11, 2015 Copy lib/ files before running prebuild. In the .sh version too. Mar 29, 2017
runprebuild2015.bat Copy lib/ files before running prebuild. In the .sh version too. Mar 29, 2017


InWorldz Halcyon 3D virtual world simulator.

Halcyon was originally based on the OpenSimulator project but was forked in 2010 to provide a stable platform for everyday use under high load. We have concentrated on performance and stability to provide a strong, stable base for the InWorldz grid - and now your grid too!

Build Status

Current status: Build status
Master branch: Build status
Latest release:

For building and installation instructions, please see the Halcyon wiki.


Halycon Wiki:

Halcyon PhysX.NET:

Tested operating systems

At this time, only the following 64 bit operating systems are being tested against:

  • Microsoft Windows 7
  • Microsoft Windows 8/8.1
  • Microsoft Windows 10
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2012/ 2012 R2

Open source contributions are very welcome - especially in regard to testing on other operating systems. We are actively working to get the code to run with physics enabled on Linux, and are seeking to assist in the development of a PhysX wrapper that works well with 64 bit Linux distros.