Developer Tools

KiTTY

5  /  328 Reviews
2,125,121 Downloads
Jun 18, 2026 Last updated

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Description

KiTTY is a Windows terminal client derived from PuTTY, starting from the PuTTY 0.62 beta codebase and keeping the familiar SSH, Telnet and session-management workflow. It is aimed at users who already like PuTTY's compact interface but want more convenience around saved sessions, automatic logons, scripting and portable use.

The project keeps the classic PuTTY connection model while adding tools that matter when you manage many servers from one workstation. KiTTY can organize saved sessions in folders, filter long session lists, launch duplicate sessions quickly, run local scripts in remote sessions, and store shortcuts for repeated commands.

Trademark Note 1: Microsoft®, Windows® and other product names are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

KiTTY Features

KiTTY's feature set is most useful for administrators who reuse the same connection patterns every day. Session filtering, a session launcher, folder-based organization, custom icons and automatic saving reduce the amount of clicking required when the connection list grows beyond a few hosts.

The client also adds workflow helpers that PuTTY users often install separate tools to get. Automatic command and password handling, predefined command shortcuts, URL hyperlinks, ZModem integration, binary compression and clipboard printing make KiTTY more comfortable for long remote shell sessions.

  • Portable and classic Windows builds for different deployment preferences.
  • Saved-session filters, folder hierarchy support and a session launcher.
  • Automatic logon scripts, command shortcuts and local script execution in remote sessions.
  • URL hyperlink handling, ZModem support, transparency, roll-up and duplicate-session shortcuts.
  • PuTTYCyg patch support, SSH handler integration and optional binary compression.

KiTTY Review

KiTTY is strongest when you want PuTTY's behavior without staying limited to PuTTY's sparse session workflow. The interface remains familiar enough that an experienced PuTTY user can move over without retraining, but the extra connection-management tools make it easier to work with large server lists and repeated terminal tasks.

The portable build is especially practical because there is no required installation step; download the executable, place it where you want it, and run it. That makes KiTTY useful on admin workstations, USB toolkits and controlled environments where installing a full terminal package is inconvenient.

Its age and PuTTY heritage also mean the program feels deliberately conservative. Users looking for tabs, cloud synchronization or a modern terminal emulator may want a different client, but KiTTY remains useful when compatibility with the classic PuTTY workflow matters more than a redesigned interface.

Please note that SSH software uses encryption, and encryption tools may be restricted in some jurisdictions. If you are in a country or organization with rules around cryptographic software, confirm the legal and policy requirements before using KiTTY for remote access.

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