Is there any other open-source thin client system ?

[B. Scott Smith]

Kevin Smathers wrote:
> lizhong wrote:
>> Hi all,
>>     I have spent several months in learning the source code of vnc 
>> free edition. Now I'm trying to get codes of some other thin client 
>> systems.I know VNC is a partly open source project, and X is also 
>> open source. But X is over complex and may cost me much time in 
>> learning it.     Is there any other choice? I just want to know the 
>> details in the protocols. VNC is a pixel-based system. It delivers 
>> pixel in different encoding forms through the network.There are also 
>> some other protocols which send drawing commands to the client, such 
>> as X, SunRay.
>>     Is there any suggestion?
>>     Thank you for any help!
> There are a lot of other protocols for thin clients.  Arguably the two 
> most important standards based thin client protocols are ITU-T T.120; 
> and the various RFCs and recommendations that comprise HTTP and HTML.  
> But there are dozens of older (and newer) alternatives to these.  
> Consider for example that for years Prodigy ran their Internet service 
> using NAPLPS, or that VT100 emulation is still the defacto standard 
> for all character oriented thin clients to most Unix terminal 
> applications.
>
If you are specifically asking for graphical protocols, you may also 
want to look at Windoze Remote Desktop Protocol (RDP).
You can find an open source client at:  http://rdesktop.sourceforge.net, 
and a server implementation at: http://xrdp.sourceforge.net.