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ILSpy vs PuTTY

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

ILSpy icon
ILSpy
PuTTY icon
PuTTY

ILSpy vs PuTTY: The Verdict

⚡ Summary:

ILSpy: ILSpy is a free, open-source .NET assembly browser and decompiler. It allows you to view and analyze the contents of .NET assemblies in C# and other .NET languages.

PuTTY: 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.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ILSpy PuTTY
Sugggest Score — —
Category Development Network & Admin
Pricing Open Source Open Source

Product Overview

ILSpy
ILSpy

Description: ILSpy is a free, open-source .NET assembly browser and decompiler. It allows you to view and analyze the contents of .NET assemblies in C# and other .NET languages.

Type: software

Pricing: Open Source

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

Key Features Comparison

ILSpy
ILSpy Features
  • Decompile .NET assemblies into C# and other .NET languages
  • Navigate and view the contents of assemblies
  • Search for types, methods, properties, etc.
  • View metadata and attributes for types and members
  • Compare different versions of assemblies
  • Plugin architecture to extend functionality
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

Pros & Cons Analysis

ILSpy
ILSpy

Pros

  • Free and open source
  • Works on Windows, Linux and Mac
  • Supports wide range of .NET assembly versions
  • Integrates with Visual Studio
  • Active development and user community

Cons

  • Limited decompilation of obfuscated assemblies
  • No official support offered
  • UI is basic and unpolished in places
  • Steep learning curve for some advanced features
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

Pricing Comparison

ILSpy
ILSpy
  • Open Source
PuTTY
PuTTY
  • Open Source

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Learn More About Each Product

ILSpy
ILSpy
Reviews, pricing & alternatives →
PuTTY
PuTTY
Reviews, pricing & alternatives →

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