Description: LeakBase is a database of leaked emails and passwords that can be searched to see if your information has been compromised. It is controversial because the data was obtained illegally, though some argue it serves a public good by allowing people to check if their data is secure.
Type: software
Description: SemanticScuttle is an open source social bookmarking web application similar to Delicious. It allows users to bookmark web pages and tag them for easy sorting and filtering. SemanticScuttle organizes bookmarks through user-created taxonomies.
Type: software
Pricing: Free