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PuTTY

Classic SSH and Telnet client, plus key and file-transfer tools

Open source (MIT) WindowsLinux

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0 · CLEAN

Just the program: no ads, no bundled offers, no account needed.

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About

PuTTY is a small, long-established terminal client for logging in to servers, network equipment and other computers over SSH, Telnet, rlogin or a serial line. Written and maintained primarily by Simon Tatham, it remains a common choice on Windows for system administrators, students and anyone managing Linux machines or routers. Saved sessions keep host names and display settings for quick reconnection, and SSH port forwarding can tunnel other traffic. The download includes companion tools: PuTTYgen creates and converts SSH keys, Pageant holds keys in memory as an authentication agent, PSCP and PSFTP copy files, and Plink provides a command-line connection for scripts. Windows builds are published for x86, x64 and Arm, and a Unix version is available as source code.

  • SSH, Telnet, rlogin and serial connections
  • Saved sessions and SSH port forwarding
  • PuTTYgen key generator and Pageant agent
  • PSCP and PSFTP for file transfer
  • Plink for scripted command-line use

Before you download

  • putty.org is not run by the PuTTY developers; the official site is on chiark.greenend.org.uk, with putty.software as an official landing page.
  • Ready-made binaries are for Windows; on Linux it is built from source or installed from distribution packages.

What it looks like

Screenshot of PuTTY
Screenshot from Wikimedia Commons, free licence — the file page names the author and the licence.

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