PrivacyTools
privacytools.io provides knowledge and tools to protect your privacy against global mass surveillance.
Panopticlick
Electronic Frontier Foundation’s Browser Privacy Tool checks if websites may be able to track you, even if you’ve limited or disabled cookies. Panopticlick tests your browser to see how unique it is based on the information it will share with sites it visits.
PRISM Break
Encrypt your communications and end your reliance on proprietary services.
EFF Surveillance Self-Defence
The Electronic Frontier Foundation’s guide to defending yourself and your friends from mass surveillance by using secure technology and developing awareness practices.