Social Monitor?

Social Mention is a social media search engine that searches user-generated content such as blogs, comments, bookmarks, events, news, videos, and microblogging services.

Mention is a social media alert. You can monitor keywords, names, or tags that are related to you or to you competitor!

Google Alert is an email update of the latest relevant Google results (blogs, news, etc.) based on your searches. Enter the topic you wish to monitor, then click preview to see the type of results you’ll receive.

Karmalytics is a smart key alert for Reddit and Hacker News. Track keywords! See what people are saying about your business, or your competition, or any other!