PuTTY for Linux

Simon Tatham · Open source

PuTTY is a free and open-source network terminal client developed by Simon Tatham under the MIT license. It provides support for SSH, Telnet, Rlogin, and raw socket connections, allowing users to interact with remote servers securely or via serial interfaces. The suite also includes utility tools such as PuTTYgen for cryptographic key generation, PSFTP for secure file transfer, and Plink for automated command-line sessions.

Open official page for Linux

flathub.org · Official website

✓ Community package (Flathub)
✓ Last checked: Nov. 4, 2026

Version: 0.85
Release date: Aug. 16, 2026
License: MIT
Installer type: flatpak

Install from the command line

How do I use this?

Open a terminal, paste the command and press Enter. Flatpak and Flathub must be set up; Linux Mint has them by default, for other distributions see flathub.org/setup.

flatpak install flathub uk.org.greenend.chiark.sgtatham.putty

How to install

Click the official download button on this page to visit the Flathub store page.
Alternatively, open your system terminal.
Execute the command: flatpak install flathub uk.org.greenend.chiark.sgtatham.putty
Launch PuTTY from your application menu or terminal.

Platform pages: Windows · macOS · Linux · Android · All platforms and details