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Chicken of the VNC is a fast, lightweight VNC client for Mac OS X. A VNC client allows one to display and interact with a remote computer screen. In other words, you can use Chicken of the VNC to interact with a remote computer as though it's right next to you.

Chicken features automatic server discovery via Rendezvous; listen mode for navigating through firewalls; an auto-scrolling full-screen mode; keychain integration; CPU performance throttling; remappable, smart unicode keybindings; mouse button emulation and native multibutton support; tons of supported transfer encodings including Tight and ZLib; and customizable more...

What's New

Version 2.0b4:
  • Chicken of the VNC is now a universal binary.
  • Resolved an issue that caused an "ZLibHex unknown subencoding" error when using ZRLE encoding to connect to an UltraVNC server.
  • Resolved an issue that caused pasting text to work incorrectly if the text contained repeating characters.
  • Bonjour server discovery now works properly when the server uses a non-standard more...


Mac OS X 10.3.9 or later

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Chicken of the VNC User Discussion

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myy'q Member IconReview+19

Chicken works reasonably well under Mountain Lion, except for full screen mode. The key combination that is shown to get out of it does not work, I had to kill the client connection from the VNC server. Also, full screen mode does not zoom the window nor use Lion's idea of full screen.

Render quality with default settings is very good, and all keys from my German keyboard translate correctly.

I am using version 2.2b2 from http://sourceforge.net/projects/chicken (thanks, Negritude!)

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Version 2.0b4
Negritude Member IconComment+1082

Development on CotVNC has been restarted under the name Chicken:



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Version 2.0b4
Thebrain Member IconReview+0

Gets the job done, even in Snow Leopard.
The option-key must be used in order to get the command-keystroke on the remote host.

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Version 2.0b4
Richard Taytor Member IconComment+16
Richard Taytor

Connected to a TightVNC server, I was seeing increasing latency, the input buffer growing faster than it shrinks. In CotV Preferences, pulling the "Frontmost Connection" slider down a notch or two solved the problem. Incidentally, CPU usage was not an issue.

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Version 2.0b4
Digital Fury Member IconReview+61
Digital Fury

It's a shame that Chicken of the VNC has not been updated for a while, but it is still working fine.

People disapointed with JollysFastVNC's new (expensive) pricing should consider Chicken of the VNC. I believe most people will find it good enough and a more sensible option.

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Version 2.0b4
Zeist Member IconComment+5

It's a shame this app hasn't seen any development since 2006, would be nice to see this app improved a bit.

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Version 2.0b4
Rene Schickbauer Member IconReview+2
Rene Schickbauer

Works ok with UtraVNC on the server side.

Does NOT work with the vmware server running on linux ("connection failed" while other vnc clients work)

Has major problems with "qemu -vnc" running on FreeBSD with experiencing (screen blanks at random intervals). I tried JollysFastVNC, wich worked fine for connecting to qemu.

Also, "Chicken of the VNC" still uses a "Display" type field to specify the destination port and calculates 5900+Display as the port number. Connecting to VNC-Servers on non-standard ports < 5900 is therefore not possible. Why not just let the user enter a port number???

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Version 2.0b4

I believe you can do (server):0:5900(replace 5900 with your custom port). Could be 5900:0 , not sure and unable to test. Just in case anyone in "crisis" mode like happened once to me.

islandmacman Member IconReview+147

Works well with my Macs. Thanks!

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Version 2.0b4
SiCHIPS Member IconComment+0

I have been using this program for about a month now and it does work OK on my 17 inch MacBook-Pro running native under Leopard.

I have seen some situations where the window would not repaint while another VNC program did work fine.

I only have 1 enhancement request: Provide the auto scaling based on window size as another program provides!

I will probably keep both programs on my computer until this program has this feature.

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Version 2.0b4
fahlman Member IconComment+18

It's been over a year since this beta version of 2.0 was released. This is my favorite VNC viewer. I wonder if development is dead, it appears to be. Bummer.

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Version 2.0b4
user icon+9
Version 2.0b4
user icon-1
Version 2.0b4
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Current Version (2.x)


Downloads 182,279
Version Downloads 138,823
License Free
Date 18 Jan 2006
Platform OS X / PPC 32 / Intel 32
Price Free