AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Apache is a free and open-source cross-platform web server software.
FrontPage is a program for developing and maintaining websites.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
RevolverMaps is a collection of real-time visitor statistics widgets for website or blog. Interactive visitor mappings to a globe rendered by the Revolver Engine.