RapidSpell WPF

Add as-you-type and dialog spell checking to your WPF applications.
RapidSpell WPF spell checker can be integrated in to any application to provide a fully independent and highly customizable spell checking control.

RapidSpell WPF can also be used in non GUI contexts using its spell checking API. Written exclusively for WPF, RapidSpell includes 4 English dictionaries and multiple other dictionaries are available (including medical).