UltraVNC Remote Access Tools

Version changes

   

 

UltraVNC is a powerful, easy to use and free - remote pc access softwares - that can display the screen of another computer (via internet or network) on your own screen. The program allows you to use your mouse and keyboard to control the other PC remotely. It means that you can work on a remote computer, as if you were sitting in front of it, right from your current location.

VNC, the Remote Frame Buffer protocol (RFB) allows a desktop to be viewed and controlled remotely over the Internet. A VNC server must be run on the computer sharing the desktop, a VNC client must be run on the computer that will access the shared desktop.
UVNC Software Products UltraVNC UltraVNC SC PcHelpWareV2 uvnc2me
GPL Yes Yes No No
Free Yes Yes Yes Yes
Bundling (1) No No Yes Yes
NAT (2) Yes (4) Yes (4) Buildin Buildin
NAT2NAT (3) Via Repeater (5) Via Repeater Buildin Buildin
Network Protocol TCP TCP UDP UDP
Access IP Address IP Address Access Code Access Code
Encryption Plugin Plugin Buildin AES Buildin AES
Key Plugin Plugin 256bit 256bit
Password 8 chars (6) 8 chars 32 chars 8 chars (7)
Chat Yes Yes Yes Yes
Filetransfer Yes Yes Yes, via chat Yes, via chat
Service Yes No Yes No
Session (8) Console/Current Console/Current Console/RDP (9) Console/Current
Connection Manager No No Yes No
Difficulty 5 8 3 1

(1) GPL doesn't allow bunding of GPL and non GPL software. If you want to use UltraVNC or UltraVNC SC in combination with a commercial software you need to create a seperate installer or let your installer download UltraVNC. PcHelpWare or uvnc2me can be bundled without restriction.
(2) One site is connected to the internet the other is behind a nat router.
(3) Both sites are behind a nat router.
(4) The site behind the nat router need to initiate the connection.
(5) A seperate application "repeater" is needed. Both sites make an outgoing connection to the repeater and the repeater cross the data.
(6) Using the encryption plugin you can use a longer password or a predefined key.
(7) The password is generated for each session, access code is fixed.
(8) Runing as service you always clone the console, if started as application you clone the current session (console/RDP).
(9) PcHelpWare has a preconnect screen that allow to select a RDP or the console session.
   

Supported operating systems

- Microsoft Windows 7, 8, 8.1, 10, 11, Windows Server 2008 R2, Server 2012, Server 2012 R2, Server 2016, Server 2019, Server 2022, Server 2025: current version: https://uvnc.com/downloads/ultravnc.html
- Microsoft Windows XP, Server 2003, Vista, Server 2003 R2, Server 2008: this latest version: https://uvnc.com/downloads/ultravnc/129-ultravnc-1-2-3-1.html
- Microsoft Windows 95**, 98**, ME**, NT4**: this latest version: https://uvnc.eu/download/102/
- Microsoft Windows 2000: this latest version: https://uvnc.eu/download/1215/Ultravnc_w2k_1215.zip
Its embedded Java Viewer allows you to connect (and make File transfers) from a simple Web Browser on any system supporting Java (Linux, Mac OS, ...) to an UltraVNC Server.
PcHelpWare and uvnc2me require XP or later.

Compatibility

All VNC flavors follow the RFB protocol. This common start point means that most of the VNC flavours available today "usually" talk nicely together, allowing for easy cross platform desktop sharing to occur.
PcHelpWare and uvnc2me are not RFB compatible.

Remote PC Access Software

If you provide computer support, you can quickly access your customer's computers from anywhere in the world and resolve helpdesk issues remotely! With addons like UltraVNC SC (Single Click) your customers don't even have to pre-install software or execute complex procedures to get remote helpdesk support.

Who should use UltraVNC?

Anyone who needs to support local or remote Windows users will find UltraVNC products are must-have tools UltraVNC products have been specifically designed to answer the needs of:

  • Help Desk (Internal/External)
  • IT departments
  • Remote Computer Support companies
  • Remote Computer Access
  • Remote demonstration
  • eLearning, classroom control
  • Individuals that want to help their relatives and friends, or access their home PC from work or cybercafes

UltraVNC is free for ALL usage.
ALL = This include commercial usage.

About us

We are a small team of highly motivated and cool people :-)
Our goal is to make the more powerful, user-friendly and no-brainer free Remote Control software available.

The UltraVNC project is born in 2002, the first UltraVNC version has been released 2002-12-05, following the merger of two projects:
- Vdacc-VNC started by Rudi De Vos in 1999
- eSVNC started by Sam in 2002

The UltraVNC team is made up of two people:
- Rudi De Vos
- Ludovic Bocquet

UltraVNC is free and distributed under the terms of the GNU General Public License.

Contact:
This email address is being protected from spambots. You need JavaScript enabled to view it.
For technical questions, use the forum or GitHub first.

We are online, our links, join us on social networks and share our announcements:
- Website: https://uvnc.com/
- Forum: https://forum.uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Bluesky/AT Protocol: https://bsky.app/profile/ultravnc.bsky.social
- Facebook: https://www.facebook.com/ultravnc1
- X/Twitter: https://x.com/ultravnc1
- Reddit community: https://www.reddit.com/r/ultravnc
- OpenHub: https://openhub.net/p/ultravnc