Software:UltraVNC

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UltraVNC
Screenshot of UltraVNC Viewer connection dialog.
Original author(s)
  • Rudi De Vos (Vdacc-VNC)[1]
  • UltraSam (eSVNC)[1]
Developer(s)
  • Rudi De Vos[1]
  • Ludovic Bocquet[1]
  • Community[1]
Initial release5 December 2002; 23 years ago (2002-12-05)[1]
Written inC, C++ and Java
Operating system
Platform
SizeAbout 6 MB
Standard(s)RFB/VNC
Available in
Type
LicenseGPLv3
Website{{{1}}}

UltraVNC (sometimes written uVNC) is an open-source remote-administration/remote-desktop-software utility.[2][3][4][5][6][7][8][9][10][11][12][13]

The client supports Microsoft Windows and Linux but the server only supports Windows.[14] It uses the RFB (VNC) protocol to allow a computer to access and control another one remotely over a network connection.

UltraVNC is very used in the World (several million downloads), and it is always developed since 2002.
The 1.5.x development branch has more two million views and downloads.[15]

The oldest UltraVNC video on YouTube was published on 2007-02-21, an user explains how to install UltraVNC.[16]
Another videos on YouTube has more 350 000 and 390 000 views.[17][18]

Since its launch, it has been cited in several magazines, journals and books[19][20] and in several academic articles.[21][22]

Features

UltraVNC allows the use of a remote computer as if the user were in front of it. This is achieved by sending mouse movements and key-presses to the remote computer, and replicating the remote computer's display (subject to differences in resolution) locally in real time. UltraVNC bears a strong resemblance to RealVNC Free Edition. However, in addition to remote control, it adds various features, such as an encryption plugin to secure the client/server connection. It also supports file transfers, chat functionality and various authentication methods. The two computers must be able to communicate across a network, such as a local subnet, internal network, or the Internet. The software is free and distributed under the terms of the GNU General Public License version 3.

UltraVNC is developed in the C, C++, and Java programming languages.

It can use an optional mirror driver installed on the remotely controlled computer for fast and efficient notification of screen changes with very low CPU load,[23] although this is not needed since later versions of Windows 10.[24]

History

UltraVNC is the result of the merger of Vdacc-VNC started by Rudi De Vos in 1999 and eSVNC started by Sam in 2002.[1]

Since release 1.0.6.4, UltraVNC server can work as a Windows service under User Account Control (UAC).

Reverse control

UltraVNC is notable as the base for free no-install remote help desk options including UltraVNC SC (Single Click) and PcHelpWare. These operate by generating pre-configured executables that can be downloaded and run on systems needing support; these applications then connect back to server software running on the system providing support.

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 on UltraVNC website.
  2. ↑ "UltraVNC". Ashley Bischoff. 2003-09-18. https://www.handcoding.com/archives/2003/09/18/ultravnc/. 
  3. ↑ "UltraVNC – Controllare in remoto uno o più PC". 01net.it (Caterina Camagni). 2007-05-16. https://www.01net.it/ultravnc-controllare-in-remoto-uno-o-piu-pc/. 
  4. ↑ "Comparatif : maintenance, contrôle et assistance à distance". Generation-NT.com (Cédric G.). 2008-02-21. https://www.generation-nt.com/tests/assistance-a-distance-telemaintenance-prise-controle-logmein-pcvisit-ntr-support-ultravnc-pchelpware-teamviewer-50005. 
  5. ↑ "Avec Ultra VNC". 01net.fr (Christophe Gauthier). 2008-11-11. https://www.01net.com/actualites/avec-ultra-vnc-395825.html. 
  6. ↑ "Use UltraVNC on Windows Server 2008 R2". Andy's handwritten technical notebook. 2011-09-11. https://chenweichi.blogspot.com/2011/09/windows-server-2008-r2-ultravnc.html. 
  7. ↑ "Fernwartung leicht gemacht – mit Ultra VNC". PCWelt.de (Stephan Mayer). 2011-11-25. https://www.pcwelt.de/article/1111103/windows-xp-vista-7-fernwartung-leicht-gemacht.html. 
  8. ↑ "5 alternatives to LogMeIn Free for remote PC access". PCWorld.com (Jon L. Jacobi). 2014-01-28. https://www.pcworld.com/article/443577/5-alternatives-to-logmein-free-for-remote-pc-access.html. 
  9. ↑ "Controllare il computer da remoto con Windows: guida a UltraVNC Viewer". TurboLab.it (Gianluigi Zanettini). 2014-06-23. https://turbolab.it/controllo-remoto-270/controllare-computer-remoto-windows-guida-ultravnc-viewer-272. 
  10. ↑ "Contrôle a distance via UltraVNC". Alex Bacher. 2017-05-16. https://alexbacher.fr/windows/ultravnc/. 
  11. ↑ "6 applications gratuites de prise de contrôle à distance". ZDNet.fr (Stéphanie Chaptal). 2019-11-12. https://www.zdnet.fr/guide-achat/quelles-applications-gratuites-de-prise-de-controle-a-distance-39893677.htm. 
  12. ↑ "Remote support essentials: 4 steps you can take now to keep friends and family connected". ZDNet.com (Ed Bott). 2020-03-20. https://www.zdnet.com/home-and-office/work-life/remote-support-essentials-four-steps-you-can-take-now-to-keep-friends-and-family-connected/. 
  13. ↑ "How to remote-access a Windows 10 PC". PCWorld.com (Alaina Yee). 2021-08-03. https://www.pcworld.com/article/394938/how-to-remote-access-a-windows-pc.html. 
  14. ↑ "UltraVNC Server for Linux". UltraVNC Forum. 2006-02-01. https://forum.uvnc.com/viewtopic.php?t=5699. 
  15. ↑ "UltraVNC Forum - Version-specific help - 1.5.x". UltraVNC Forum. https://forum.uvnc.com/viewforum.php?f=103. 
  16. ↑ "UltraVNC". robmavi (YouTube). 2007-02-21. https://www.youtube.com/watch?v=NT_h3i2ljJs. 
  17. ↑ "How to - Install, setup and test UltraVNC". Coffee Cup Dev (YouTube). 2008-08-17. https://www.youtube.com/watch?v=wmyKBWe_d_0. 
  18. ↑ "Access any Computer From Anywhere with UltraVNC". Britec09 (YouTube). 2014-07-23. https://www.youtube.com/watch?v=37UOSS_DYTY. 
  19. ↑ "UltraVNC Google Book search". Google. 2025-12-01. https://www.google.com/search?tbs=bks%3A1&q=%22UltraVNC%22. 
  20. ↑ "Ultr@VNC Google Book search". Google. 2025-12-01. https://www.google.com/search?tbs=bks%3A1&q=%22Ultr%40VNC%22. 
  21. ↑ "UltraVNC Google Scholar". Google Scholar. 2025-12-01. https://scholar.google.com/scholar?q=%22UltraVNC%22. 
  22. ↑ "Ultr@VNC in Google Scholar". Google Scholar. 2025-12-01. https://scholar.google.com/scholar?q=%22Ultr%40VNC%22. 
  23. ↑ UltraVNC Mirror Driver on UltraVNC Website.
  24. ↑ "UltraVNC Mirror Driver for Windows 10 / 2012". UltraVNC Forum. 2017-02-06. https://forum.uvnc.com/viewtopic.php?t=32094. 



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