The details of your browser and internet connection:
DNS
Whois - Get the registration details of a domain name. Reverse IP Lookup - Get the IP address that a website originates from. Host Services - Check the accessibility of services on a domain or IP address.
Web Development
HTML Encrypt - HTML encryption that can be interpreted by browsers. IP Ban Generator - Ban IPs from accessing a website using .htaccess.
Search Engine Optimization
Google Banned - Check if a domain name is showing up in its search results. URL Redirect Checker - Check if an URL is a redirect and if it is search engine friendly. Meta Tag Creator - Generate the keyword, description and other meta tags for a page.
Others
Browser Details - View your browser and internet details. GUID Generator - Automatically generate a GUIDs (Globally Unique Identifier). MD5 Text - Get the MD5 hash value of a piece of text. Gravatars - View the gravatar associated with an email address.