Personal digital assistants (PDAs) - Operating Systems List

• Symbian OS
• iOS (a subset of Mac OS X)
• Embedded Linux
  • Maemo based on Debian deployed on Nokia's Nokia 770, N800 and N810 Internet Tablets.
  • MeeGo merger of Moblin and Maemo
  • webOS from Palm, Inc.
  • OpenZaurus
  • Ångström distribution
  • Familiar Linux
  • Android
• Inferno (distributed OS originally from Bell Labs)
• PenPoint OS
• PEN/GEOS on HP OmniGo 100 and 120
• PVOS
• Palm OS from Palm, Inc; now spun off as PalmSource
• Windows CE, from Microsoft
  • Pocket PC from Microsoft, a variant of Windows CE.
  • Windows Mobile from Microsoft, a variant of Windows CE.
  • Windows Phone from Microsoft,
• DIP DOS on Atari Portfolio
• MS-DOS on Poqet PC, HP 95LX, HP 100LX, HP 200LX, HP 1000CX, HP OmniGo 700LX
• Newton OS on Apple Newton Messagepad
• Magic Cap
• NetBSD
• Plan 9 from Bell Labs