FeedWindFeedWind

FeedWind Usage Statistics · Download List of All Websites using FeedWind

FeedWind is an RSS widget which adds dynamic content to virtually any website.

Twitter Tweet ButtonTwitter Tweet Button

Twitter Tweet Button Usage Statistics · Download List of All Websites using Twitter Tweet Button

Official Tweet Button for sharing articles on websites and counting how many times a URL has been shared.

Frameworks
JavaScript Libraries and Functions
Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Standard

Web Hosting Providers
Operating Systems and Servers

CentOSCentOS

CentOS Usage Statistics · Download List of All Websites using CentOS

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.