Get started with tryunion.com...>>Build connected applications JavaScript, Flash, Java, or your language of choice

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Union is a development platform for creating connected applications. Use Union to build:

  • Social interaction: chat, meeting applications, multiuser whiteboards, collaborative editing tools, and shared interfaces
  • Realtime Multiplayer Games: online action games, head-to-head racing, social worlds, online chess, massively multiplayer trivia, turn-based card and word games
  • Realtime Datafeeds: live scores, realtime inventory availability, live surveys, realtime charts, graphs, and analytics dashboards
  • Publish/subscribe Channels: topic-based news feeds, project notifications, celebrity chat, sports spectation, live real-estate listings, product sales updates, remote system administration, realtime monitoring

Union applications run in desktop and mobile web browsers (JavaScript/HTML5), Adobe® Flash®, Java, C#, and your favorite language.

Union is free for up to 1000 simultaneous connections. To get started building your own Union applications, follow the Union Quick Start guide.

Union News

New Lobby Sample Posted

Source code for a simple lobby is now available here. The example shows a room list that includes the number of users in each room and provides an interface for joining and leaving rooms.

Union 1.0 Alpha 5 Released

Union 1.0 Alpha 5 is now available for download. Alpha 5 adds HTTP connectivity between Reactor and Union Server, dramatically improving the connection-success rate for users behind firewalls. Starting with Alpha 5, any user that can view web pages in a web browser can also connect to Union from Flash. For complete details, see the Union 1.0 Alpha 5 Release Notes.

Union 1.0 Alpha 4 Released

Union 1.0 Alpha 4 is now available for download. Alpha 4 includes significant administration improvements and ongoing minor improvements to Reactor and Union Server. For complete details, see the Union 1.0 Alpha 4 Release Notes.

Union 1.0 Alpha 3 Released

Union 1.0 Alpha 3 is now available for download. Alpha 3 includes protocol-compatibility detection, client connection cycling, server-side connection filtering, and administration improvements. For complete details, see the Union 1.0 Alpha 3 Release Notes.

Reactor API Reference in Japanese

Union community developer Kenichi Ueno of LOGOSWARE has posted his Japanese translation of the Reactor API Reference. Ueno-san's blog also features a Union-powered multiuser drawing example, complete with source code.

Thanks for these great resources Ueno-san!

New Chat Sample Now Available

Source code for part three of the Union chat tutorial series is now available here.

Union Platform Interview

O'Reilly's InsideRIA.com just posted an interview about the Union Platform (tm). Rich Tretola asked some interesting questions about the motivations behind Union, and its future. Read the interview here...

Union 1.0 Alpha 2 Released

Union 1.0 Alpha 2 is now available for download. Alpha 2 includes improvements to modules, NIO support, new administration tools, and many minor enhancements. For complete details, see the Union 1.0 Alpha 2 Release Notes.

New Sample Application Available

Source code for part two of the Union chat tutorial series is now available here.

Union 1.0 Alpha 1 Now Available

Union 1.0 has officially entered Public Alpha 1. Download it here.