Addict is a professional native VCL component suite that provides end-to-end solutions for adding spelling check and thesaurus support to your applications. With Addict you can add live-spelling ("squiggly" red underline) to your RichEdit components, add a first-class spelling checker capable of checking nearly any control available, and add automatic thesaurus lookup and replacement support. All of this and more can be done with only a few calls into Addict's well documented API.