Symbian

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• Symbian
  http://www.symbian.com
  Symbian is a software licensing company that develops and licenses Symbian OS™, the market-leading open operating system for mobile phones.
  Symbian has built close co-operative business relationships with leading companies across the mobile industry. More than 250 million Symbian OS-based units by 14 device manufacturers have shipped since the formation of Symbian 10 years ago.
• PuTTY for Symbian OS
  http://s2putty.sourceforge.net
  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.