SmartFoxServer is a comprehensive SDK for rapidly developing multiplayer games and applications with Adobe Flash/Flex/Air, Unity, HTML5, iOS, Windows Phone 8, Android, Java, Windows 8, C++ and more.
SmartFoxServer comes with a rich set of features, an impressive documentation set, tens of examples with their source, powerful administration tools and a very active support forum.

Born in 2004, and evolving continuously since then, today SmartFoxServer is the leading middleware to create large scale multiplayer games, MMOs and virtual communities.
Thanks to its simplicity of use, versatility and performance, it currently powers hundreds of projects all over the world, from small chats and turn-based games to massive virtual worlds and realtime games.

May 4th, 2017SmartFoxServer 2X 2.13 released!

A new SmartFoxServer 2X version is available that focuses mainly on JavaScript for both client and server side.

We’re gladly re-introducing JavaScript as full-fledged server-side language for Extensions, thanks to the improved performance of the Nashorn engine, provided in JDK 8. (more…)

March 28th, 2017SmartFoxServer 2X v2.12.4 patch released

SmartFoxServer 2X v2.12.4 is available for download as a patch to be installed on v2.12+.
This release fixes an issue with IPv6 addresses parsing and output to the logs.

You can download the update from here.

March 1st, 2017The return of JavaScript

logo-jsAs disclosed in our latest newsletter, JavaScript is coming back to SmartFoxServer!

With release 2.13 we’ll launch a new JavaScript client API taking full advantage of the SmartFoxServer 2X binary (and compressed) protocol, providing improved network efficiency. (more…)

November 18th, 2016Standalone AdminTool for SFS2X

AdminToolThe SmartFoxServer 2X Administration Tool is now also available as a standalone macOS and Windows application.

You can get it here:


November 8th, 2016SmartFoxServer 2.12 is out

SmartFoxServer 2X 2.12 is out with a host of new features and fixes, such as:

  • JoinRoomInvite, allows players to invite other clients in a game Room to play, available also from client side
  • Private UserVariables, allow to create UserVariables that are local to the player, and not broadcast to other clients
  • Updated Jetty version 9.3 for web services (BlueBox, uploads, crypto init)
  • Support IP ranges for black/white lists in IP Filter
  • AdminTool support for TLS encrypted connection
  • Embedded Java 8 runtime

… and lots more!

You can read the full release notes and download the installer from here.
Also make sure to check the Client API download page where we have published updates for all supported clients (API release 1.7.x).

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