grammarly checker

Fast, friendly HTML and XHTML syntax checker. Uses an SGML/XML parser

CheckP3 - The Email Checker.

An excellent mail checker as well as a simple and useful remote e-mail client.

Revolutionary Link checker for website with IPL for fast link fixup.

CPOP is a Mail server and email checker that uses the POP3 protocol.

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

A spelling checker for English typing, check your spelling everywhere.