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: PeerPlot is an open-source, cross-platform mind mapping and brainstorming software. It allows users to create mind maps to visualize ideas and concepts.
Type: software
Pricing: Open Source