Description: Google Alerts is a free service from Google that sends emails notifying users when new web content matching their search terms is indexed. Users can set up alerts around topics, companies, people, etc. to monitor new mentions and updates across the web.
Type: software
Description: Stack Overflow is a popular question and answer site for programmers. Users can ask coding questions and receive answers from a community of developers. The site has a reputation system to rate helpful responses.
Type: software
Pricing: Subscription