• Use compact keyboard (through size, shape)
  [compact keyboards - assistivetech.net]
• Rearrange letters so closer together (one-handed DVORAK)
  [one-handed keyboards - assitivetech.net]

Eliminate required reach

• Use chordic keyboard where fingers remain stationary on the keys
  [one-handed keyboards - assistivetech.net]
• Use an onscreen keyboard
  [onscreen keyboards - assistivetech.net]

Minimize required reach

• Make program menu choices through keyboard commands
  [keyboard controls for software - AT Wiki]
  [mouse alternatives - AT Wiki]
• Use a mouse alternative such as a trackball, trackpad, or joystick
  [trackballs - assistivetechnology.net]
  [computer joysticks - assistivetechnology.net ]
  [mouse keypads/switches - assistivetech.net]
• Use a head-controlled device
  [hands-free computer controls - assistivetech.net]
  [hands-free mice - assistivetech.net]

Reduce or eliminate activation force

• Use a pointing device to help push down the keys
  [typing aids - assitivetech.net]
  [pointing aids - assistivetech.net]
• Try a flat, touch-sensitive membrane keyboard
  [small keyboards - assistivetech.netl]
  [large keyboards - assitivetech.net]
• Dwell software and click-lock features can reduce the need to click or hold down on mouse buttons
  [system configuration tools - assistivetech.net]

Enlarge or differentiate targets

• Use a larger, expanded keyboard
  [large keyboards - assitivetech.net]
• Use a keyguard to help guide fingers to the keys
  [keyboards - assistivetech.net]

Reduce sensitivity of controls

• Use FilterKeys / RepeatKeys to reduce unintentional keystrokes
  [Microsoft info link]

Eliminate bi-manual control

• StickyKeys allows multiple-key commands to be entered sequentially instead of simultaneously
  [Microsoft info link]

Reduce number of keys that must be hit

• Use macros to perform an operation with a single keystroke
• Abbreviation expansion
  [abbreviation expansion and macros - AT Wiki]
• Use word prediction software
  [word prediction software - assistivetech.net]
  [word prediction - AT Wiki]

Eliminate hands use

• Operate the computer through switch scanning
  [computer switch interfaces - assistivetech.net]
  [scanning entry systems - assistivetech.net]
  [multiple input computer systems - assistivetech.net]
• Use an eye-tracking or gesture tracking system with an onscreen keyboard
  [onscreen keyboards - assistivetech.net]
  [eyegaze tracking systems - assistivetech.net]
  [gesture recognition systems - assistivetech.net]
  [on-screen keyboard - AT Wiki]
• Use voice input software
  [math and voice input software - assistivetech.net]
  [voice input systems - AT Wiki]