The Outwit suite of Firefox extensions that allows you to harvest materials on the web. The suite currently includes Outwit Hub, Outwit Images, and Outwit Docs.
OutWit Hub allows you to automatically browse through pages, collect and format data and information on the web. It will automatically explore series of Web pages or search engine results for you and extract contacts, links, images, data, news, etc. You can use the Hub's default scraping utilities to help you extract data with explicit structures in the HTML source code of the page, such as lists or tables. Also, you can build scripts that will navigate from page to page in sequences of results and automatically extract quantities of information objects. Results can be exported into MS Excel.
OutWit Images is a Firefox extension for simple image browsing. With OutWit Images, as you explore the web for pictures, you can create, save, and share collections. Also, you can automatically explore Web pages or search engine results for pictures, and create, save and share your collections. OutWit Images can create full-screen slideshows for image collections.
* There is a "full" version of Outwit Hub (Pro) available for a charge. Click here for comparison of the free and licensed versions: