1)   Advanced Administrative Tools 5.92 AATools is a multithreaded network diagnostic toos for network administrators and security professionals. Its purpose is to accumulate data pertaining to network status and availability, using all of the latest development tools in network research. 2)   eMail Verifier 3.4 eMail Verifier is a powerful e-mail checking tool to verify your customers e-mail addresses from your mailbox or contact files. 3)   HashCalc 2.01 Fast calculator to compute hash, checksum, HMAC values for file, text and hex string. Supports MD2,MD4,MD5, SHA1,SHA2, RIPEMD160,PANAMA,TIGER, CRC32,ADLER32 algorithms and the hash used in eMule/eDonkey(eDonkey2000,ed2k). Good to check/compare files. 4)   Web Link Validator 4.7 Web Link Validator is a powerful site management and link checker tool that allows webmasters to automate the process of testing web sites for broken links, missing titles, slow-loading documents, orphaned files and much more. 5)   CSE HTML Validator Professional 8.04 CSE HTML Validator Professional is a fast, powerful, user configurable, and easy to use professional web development tool that helps you create syntactically correct and accessible HTML, XHTML, and CSS. Can automatically fix HTML. Also checks links. 6)   FSUM 2.51 Fast file checksum generation & verification tool. Supports MD2,MD4,MD5, SHA-1,SHA-2, RIPEMD-160,PANAMA,TIGER, CRC-32,ADLER32 algorithms and the hash used in eMule/eDonkey(ed2k). Compatible with md5sum,Easy MD5 Creator,SFV Checker/Verifier,Win CRC32. 7)   Power Email Verifier 4.2 Power Email Verifier can check your email lists for valid emails. It can import large lists with no problem. Uses multithreading to verify emails at a very fast rate. Simulates the sending of email without sending any messages. 8)   Advanced Email Verifier 5.20 Check validity of emails in mailing lists, databases and address books. Advanced Email Verifier verifies every email address from a given mailing list and allows you to determine up to 90 % of dead e-mail addresses. 9)   REL Link Checker Lite 1.0 REL Link Checker Lite is a free easy-to-use link checker tool to help you maintain the accuracy of links on your web site. The program will help you easily locate broken links and links containing syntactic errors. 10)   CSE HTML Validator Lite 8.04 CSE HTML Validator Lite is a fast, easy to use, and FREE (for personal and educational use) HTML development tool for Microsoft Windows that helps you create problem-free HTML and XHTML documents. It's also a great learning tool.