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EFF's software development and technology research projects aim to improve the rights of free expression, security, and privacy on the internet.

  • HTTPS Everywhere is a Firefox extension that makes Firefox use HTTPS to the greatest extent possible
  • The SSL Observatory is a view of the state of HTTPS deployment in the IPv4 address space
  • Switzerland detects violations of network neutrality
  • Panopticlick shows how easy it is to uniquely identify browsers
  • Privacy Badger blocks spying ads and invisible trackers.
  • Write to your representatives with democracy.io

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NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

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Missed our Capture the Flag contest at HOPE? Still want to play? CTF is now open to the public. https://eff-ctf.org

Aug 30 @ 1:18pm

Max Schrems: data protection activist, lawyer, author, and now a Pioneer Award Winner. #EFFPioneers16 https://www.eff.org/pioneer2016

Aug 30 @ 12:45pm

California's legislature just sent gang database reform to @JerryBrownGov. Now let's make sure he signs A.B. 2298 https://action.eff.org/o/9042...

Aug 30 @ 10:04am
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