CraigsList Reader, as the name suggest the tool will optimize your Craigslist search criteria.
    If you are a regular visitor of Craigslist and are finding insufficient time to gather useful information, then this feature loaded application will make the optimum use of the vast resources available on Craigslist. This customizable and powerful tool performs search on Craigslist based on multiple locations and categories. All you have to do is enter your search term and choose your options to get back instant results. The utility makes it possible to set notifications to alert you, email for new postings as per your criteria appear, uses concurrent connections for faster search, can sort items by date, location, category, title or price; provides unlimited options of search and categories, provides selection of multiple categories/sub-categories, and so on.
    CraigsList Reader the free to use tool is also supported with regular updates.