From EFS Software:
Easy Web Password is an HTML and Text file locking program which protects your web pages with password. Easy Web Password can protect your web pages, text files and whole website with professional encryption algorithms. Once the HTML file is protected, no one can view it's content without having a correct username/password. The protected file is supported by all modern browsers and no CGI, ASP, PHP and SQL is required on your web server. Encrypted files can be placed on your website, hard drive, CD and DVD.