PuTTY is a Internet software developed by Simon Tatham. After our trial and test, the software is proved to be official, secure and free. Here is the official description for PuTTY:
BrothersoftEditor: PuTTY is a free SSH client developed by Simon Tatham and others. This PaGE contains a port to the Symbian OS, with support for S60 third edition smartphones and Series 80 Communicators. Separate UIQ ports are available from Robert Horvath and MobilEyes AB for UIQ 1 and 2, and from Taneli Leppä for UIQ 3.
PuTTY 1.5.1 for Symbian OS has been released! This is a maintenance release for PuTTY 1.5, and contains bug fixes and minor enhancements. Get the release from the SourceForge project page or the download page. Note that version 1.5 does not support S60 5th edition touchscreen phones such as the Nokia 5800 XPressMusic or N97, for those you should use Risto Avila's PuTTY Touch UI. you can free download PuTTY 1.5.2 now.