VIREL is a website-friendly crawler for microformats. It is primarily focusing on collecting published open microformats embedded in websites.
web app that provides an anoymous web proxy
Web Application Firewall Evaluation
HTTP based protocol to attach meta-data to an email address
Shows domain names, that are hosted on a given IP address. The listening is not complete though
Disguises web pages as word documents
Already excelent web based outliner that is still in development.
The YQL Web Service enables applications to query, filter, and combine data from different sources across the Internet. YQL statements have a SQL-like syntax, familiar to any developer with database experience.