grammar checker

A powerful and handy toolbar for IE with form filler and spell checker

CheckP3 - The Email Checker.

Talking Anti-Spam E-Mail Checker and Autoresponder

RxTx is a connection speed and bandwidth checker.

Fast file integrity checker. Supports 13 hash/checksum functions, MD5/SFV files.

Check the Symptoms of Specfic Alergy with Alergies Symptoms Checker