KiTTY v0.63.1.2 Updated

Checker on 26 Aug 2014
  • 487KB (uncompressed)
  • Suggested by rokth

KiTTY is a Telnet, SSH, and Rlogin client forked from PuTTY. In addition to adding portability, it supports many new features, including session filters, automatic login, session icon, transparency, roll-up, etc.

System Requirements: WinAll
Writes settings to: Application folder
Stealth: ? Yes
License: Freeware/Open Source
How to extract: Download kitty_portable.exe to a folder of your choice and launch.
What's new?
  • New feature: Password, now can be empty in SSH protocol.
  • New feature: Mouse events are disabled in protected mode (ctrl+F9).
  • New feature: New menu item "Export current settings" to save the running session settings into a .ktx file.
  • New feature: New "-kload" command-line option to load a session from a .ktx file.
  • New feature: New "-fileassoc" command-line option to associate .ktx files with KiTTY.
  • New feature: Password field are now encrypted in memory config structure.
  • Bug fixed: PSCP.exe path was not detected in portable mode (even if set in kitty.ini file).
  • Bug fixed: In background image patch, memory leak in strech function.
  • Bug fixed: Memory leak error in internal command feature.
  • Bug fixed: In hyperlink patch, user-made regex was not used, and replace by default one.
  • Bug fixed: HyperlinkRegularExpression setting was written twice in session file in portable mode.
  • Hyperlink patch is disabled by default (suspected memory leak into the external regex library).
  • ... and back to the original icon.

10 comments on KiTTY  The Portable Freeware Collection Latest Entries Feed 2008-06-16 06:09

Would you trust an unknown party with all your passwords and secure sessions?
The original putty is checked by thousands of security specialist around the world.

just a thought

Gul 2008-06-16 10:40

PuTTY Tray is much nicer fork. It's portable, supports clickable urls etc.

Vhati 2008-06-16 20:50

KiTTY's got a lot of great features crammed into it.
Portability alone makes it a significant improvement over PuTTY. The tray-based session/shared-key manager is neat too.

Admittedly some of the features turn up in odd places because KiTTY's a collection of patches that have to fit into the original interface. But it's a good app.

kamikaze.cockroach 2008-06-16 21:11
You can always check the source code on the download page and compile it yourself. Then again even good coders can make big mistakes in security software like the Debian debacle.

Vhati 2008-12-23 08:17

Sometime after 60.65.26 (which I really liked), the devs changed the portability setting (for the worse IMO).


Now each session, stored command, and hostkey gets its own file, with settings and values delimited with slashes rather than an equals sign.

The savemode=file (everything in kitty.sav) option is no longer valid.

Vhati 2008-12-29 05:28

I exchanged emails with the author. It still works.

savemode=file by itself saves to Docs&Settings\...\AppData.
sav=kitty.sav puts that in kitty's dir instead.

Now here's the big difference.

savemode=file imports everything into the registry on startup and clears the registry when closing.

savemode=dir stealthily saves/loads a bunch of config files under kitty's dir.

And the reason those new configs aren't ini's is because his ini code can't handle large files.

allochthon 2010-05-21 18:33

FWIW, KiTTY is checked by softpedia and they say it's malware free:

Billy Bob 2010-07-28 17:31 has an origianl putty implementation that works too. Yes, kitty has a few new bells and whistles added, maybe cute, but they really don't add much value for me. And not that I use it often, but taking the Help button off the form so there is no way to access help from the application seems foolish to me, not that a help file is even included anyway, but if somebody is going to fork the source, when everything is available for free anyway, why not keep the help button and help file and add to it rather than simply get rid of it?

Emka 2013-12-14 10:23 is out, which seems like a major update. Is it still portable?


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