SCAYT product allows you to see and correct misspellings while typing. Misspelled words are underlined, and you just need to Right-Click a marked word and select a suggestion to replace it with.
Get Your Free 30-Day Trial Now! Your trial is a full version of the software and you will have samples to get started. A trial is available for both versions: Hosted and Licensed. A trial is available for both products: WebSpellChecker (WSC) and SpellCheckAsYouType (SCAYT).