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UltraVNC

v1.8.3.1Open source

Classic open-source VNC server and viewer for Windows. By UltraVNC Team

  • Windows
Official sourceSHA-256 published by the developerNo bundles

By the ToolsBharat teamLink checked 30 Oct 2026How we check

Quick answer

UltraVNC is open source software for Windows from UltraVNC Team. Classic open-source VNC server and viewer for Windows. Download it only from uvnc.com. The latest version we track is 1.8.3.1. The developer publishes a SHA-256 hash for the installer, shown on our download page. ToolsBharat links straight to the publisher's own download page, with no bundled offers.

Latest version:
1.8.3.1
Publisher:
UltraVNC Team
Official site:
uvnc.com
Licence:
Open source — GPL
Requirements:
Windows 7 or later

Our verdict

UltraVNC is a free VNC server and viewer for controlling PCs on your own network, popular with system administrators and in labs. It has no cloud account or relay: you connect by IP address, which is great for privacy but means configuring ports or a VPN for remote access. Set a strong password and do not expose port 5900 directly to the internet.

Screenshots

UltraVNC Viewer connection dialog
Publisher's website

Key features

  • VNC server and viewer for Windows
  • File transfer and chat
  • Encryption plugins and repeater support
  • Installers and MSI packages for 32-bit and 64-bit Windows

Pros

  • Pro: Free and open source
  • Pro: Publishes SHA-256 hashes for every installer
  • Pro: Runs on Windows 7 and later

Cons

  • Con: Manual network setup for access over the internet
  • Con: Interface feels dated

What's new in 1.8.3.1

See what changed in 1.8.3.1 in the official release notes

Version history

  1. Version 1.8.3.1Latest

    date not stated · 6.2 MB
    SHA-256
    a351a06e…498e9242(published by the developer)
    Source
    Release notes

Requirements

OS
Windows 7 or later
Architecture
64-bit, 32-bit

Licence

Type
Open source
Licence
GPL
Publisher
uvnc.com

Where these facts come from

Checked 30 Oct 2026

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Alternatives

UltraVNC

1.8.3.1 · 6.2 MB

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