JavaScript libraries
jQuery The Write Less Do More JavaScript Library

Widgets
AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget

Advertising
Adult Ad Network Buy high quality and trageted adult traffic Our self serve marketplace has pop traffic banner ads and native adult advertising

Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security