MIT License v0.76.1.13 ✓ Checksum Published

Download KiTTY for Windows PC v0.76.1.13 for Windows PC

Name: KiTTY for Windows PC
Author: 9bis.net (Cyril Dupont)

KiTTY is a free open source SSH and Telnet client for Windows, a feature packed fork of PuTTY by Cyril Dupont (9bis.net).

⬇ Direct Download (5.71 MB)

Technical Specifications & System Requirements

Developer 9bis.net (Cyril Dupont)

Platform & OS Windows 10 / 11 (64-bit)

Package Size 5.71 MB

Architecture x64 (64-bit)

Package Format ZIP Archive

Security Verification SHA-256 checksum published

SHA-256 Cryptographic Checksum Computed from the file we serve

              768d93e616c0dd8918c08d317da3857d37a5328daff5c7115b40700913773965
            

              $ Get-FileHash .\kitty-ssh-client-pc.exe -Algorithm SHA256
            

Software notes

The Bottom Line: KiTTY answers the question PuTTY users have asked for twenty years: why can't it remember more and click less? The fork keeps PuTTY's rock-solid SSH core and layers on the quality-of-life features power users actually want — sessions organized in folders with instant filtering, automatic commands on login, the ability to launch a saved session straight from a desktop shortcut or URL, and a portable mode that carries your whole server list on a USB stick. In testing, connections were as reliable as PuTTY's (same DNA), the session filter made a 60-server list navigable in seconds, and sending the same command to multiple sessions at once worked as advertised. Transparency and always-on-top are small touches that stick once you try them. The trade-offs are modest but real: upstream ships 32-bit binaries, which is fine functionally but dated. Development is slower than PuTTY's own steady cadence, and the interface inherits PuTTY's famously sprawling configuration tree rather than redesigning it. Documentation is thinner than the original's. But if your workflow is 'PuTTY, but I have forty servers,' KiTTY is the obvious, free upgrade — same reliability, far less clicking. The folder-organized sessions with live filtering scale gracefully past a hundred servers, which is exactly where plain PuTTY starts to feel like a filing cabinet with no labels.

Features

All of PuTTY's proven SSH/Telnet reliability, plus session folders with instant filtering that tame large server lists.
Automatic login scripts and saved credentials streamline connecting to the routine servers you touch every day.
Sessions can launch directly from desktop shortcuts, command lines, or URLs for genuine one-click server access.
Portable mode carries your sessions and settings in local files instead of the registry — ideal for USB drives.
Free and open source (MIT), featherweight, instantly familiar to anyone who already knows PuTTY, and it picks up existing PuTTY sessions from the registry automatically.

Considerations

Upstream distributes 32-bit binaries, which feels dated even though they run perfectly fine on 64-bit Windows.
Development moves noticeably slower than PuTTY itself, so new features and fixes arrive less frequently.
Inherits PuTTY's famously sprawling configuration dialog rather than offering a redesigned, friendlier interface.

About & Overview: KiTTY for Windows PC

KiTTY is a free open-source SSH and Telnet client for Windows, a feature-packed fork of PuTTY by Cyril Dupont (9bis.net). It keeps everything PuTTY does and adds session filters, automatic login scripts, session launching from shortcuts, transparency, and portability — the PuTTY upgrade for people who manage lots of servers.

How to Install & Verify KiTTY for Windows PC

STEP 1

Download the installer

Download KiTTY from the official vendor link on this page.

STEP 2

Run the setup

Open the downloaded installer file and follow the on-screen installation steps.

STEP 3

Launch the app

Start KiTTY from the Start menu or desktop shortcut.

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Frequently Asked Questions & Verification Guide

Is KiTTY free?

Yes — KiTTY is open source (MIT licensed) and free for any use.

What is the difference between KiTTY and PuTTY?

KiTTY is a fork of PuTTY that adds session folders and filters, automatic login, shortcut launching, portability, and extra display options, while keeping PuTTY's connection engine.

Can I import my PuTTY sessions into KiTTY?

Yes — KiTTY reads the same Windows registry session storage as PuTTY, so existing PuTTY sessions appear automatically.

Is KiTTY portable?

Yes, it offers a portable mode that stores sessions and settings in local files instead of the registry, ideal for USB drives.