Digg is a news aggregator with a curated front page, aiming to select stories specifically for the Internet audience such as science, trending political issues, and viral Internet issues. Developed by digg
License: Free
Google Alerts is focused on providing real-time notifications for specific keywords, making it ideal for monitoring mentions across the web. In contrast, Digg serves as a community-driven platform for discovering and sharing trending content, emphasizing user interaction and content curation.