Groouply - Track keywords on Facebook groups
Boreal - A Hacker News iOS app
mention - Media monitoring made easy with Mention. Create alerts on your name, brand, competitors and be informed in real-time of any mention on the web and social networks
Fresh Web Explorer - Far Superior Alternative to Google Alerts
MackerNews - Beautiful Readable Hacker News Articles
Karmalytics - Track keywords on Reddit and Hacker News