Comodo Personal Firewall is one of the most powerful and smartest personal firewalls you can ever see. Introduced into the market just in March 2006. Comodo's Personal Firewall quickly gained a reputation as a high quality firewall suitable for both home users and corporate networks. It features both inbound and outbound packet filtering in combination with robust outbound application filtering at the network layer. The new-look interface facilitates quick and easy access to all major settings, including the powerful and highly configurable security rules interface.
While providing answers to firewall’s questions, users usually do not understand the complex questions which involve complicated connection details like IP addresses, Ports, Application paths etc. Comodo Personal Firewall helps you to understand what is going on by analyzing each alert and providing you an intuitive, easily understandable Security Considerations section with each question it asks.

World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there. Virtually visit any place in the world. Look across the Andes, into the Grand Canyon, over the Alps, or along the African Sahara. Particular focus was put into the ease of usability so people of all ages can enjoy World Wind. All one needs to control World Wind is a two button mouse. Additional guides and features can be accessed though a simplified menu. Navigation is automated with single clicks of a mouse as well as the ability to type in any location and automatically zoom into it. NASA has released World Wind as an open source program to improve its quality through peer review, maximize awareness and impact of NASA research, and increase dissemination of World Wind in support of NASA's mission: To inspire the next generation of explorers ... as only NASA can.