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PuTTY vs UltraVNC

Professional comparison and analysis to help you choose the right software solution for your needs.

PuTTY icon
PuTTY
UltraVNC icon
UltraVNC

PuTTY vs UltraVNC: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature PuTTY UltraVNC
Sugggest Score — —
Category Network & Admin Remote Work & Education
Pricing Open Source Open Source

Product Overview

PuTTY
PuTTY

Description: PuTTY is a popular open-source terminal emulator and SSH client for Windows. Developed by Simon Tatham, PuTTY provides a lightweight and versatile tool for connecting to remote servers using various network protocols, including SSH, Telnet, and Rlogin. It is widely used for secure and convenient command-line access to remote systems.

Type: software

Pricing: Open Source

UltraVNC
UltraVNC

Description: UltraVNC is an open-source, cross-platform remote desktop software that allows users to remotely control computers over a network. It uses the RFB protocol to transmit graphics and input between computers.

Type: software

Pricing: Open Source

Key Features Comparison

PuTTY
PuTTY Features
  • SSH client
  • Telnet client
  • Rlogin client
  • Raw socket connection
  • Serial port connection
  • Basic file transfer (SCP and SFTP)
  • Proxying for tunneling connections through HTTP proxies
  • Local terminal emulator (with VT100 and VT52 emulation)
  • Configurable keyboard shortcuts
  • Session logging
UltraVNC
UltraVNC Features
  • Remote desktop control
  • File transfer
  • Text chat
  • View-only mode
  • Multi-monitor support
  • Encryption
  • Authentication
  • Plugin architecture

Pros & Cons Analysis

PuTTY
PuTTY
Pros
  • Free and open source
  • Lightweight and fast
  • Supports multiple network protocols
  • Available for Windows, with unofficial ports for other platforms
  • Highly configurable with many options
  • Actively developed and maintained
Cons
  • Official builds only for Windows
  • Limited file transfer capabilities compared to FTP/SFTP clients
  • Minimalist interface lacks some conveniences of other SSH clients
  • Lacks advanced SSH features like agent forwarding or port tunneling
  • No official support offered
UltraVNC
UltraVNC
Pros
  • Free and open source
  • Cross-platform
  • Lightweight
  • Easy to use
  • Secure encryption
  • Active development
Cons
  • Limited features compared to paid options
  • Can be difficult to set up
  • No mobile client
  • No web access
  • Lacks some enterprise features

Pricing Comparison

PuTTY
PuTTY
  • Open Source
UltraVNC
UltraVNC
  • Open Source

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Learn More About Each Product

PuTTY
PuTTY
Reviews, pricing & alternatives →
UltraVNC
UltraVNC
Reviews, pricing & alternatives →

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