DistroWatch - 9 hours ago - It does include a proprietary software set optimized for business users, students, researchers and developers." A list of features and further details can be found in the company's release announcement.
Repology - Multiple package repositories analyzer
DistroHunt - Donation-based and video-focused directory of Linux distributions
The LiveCD List - This site was created to help sort through the many LiveCDs available.
Versionfeeds - Custom RSS Feeds for Releases of your favorite Software
Worldometers - Live world statistics on population, government and economics, society and media, environment, food, water, energy and health.