RSS.app - Monitor the web the way YOU want to.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
FetchRSS - Generate RSS out of any website.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
FiveFilters Feed Creator - Create feed from elements (e.g. links) extracted from a given web page
Montecarlito - MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations.