Electronic Frontier Foundation

"The leading nonprofit defending digital privacy, free speech, and innovation."

Surveillance Self-Defense

https://ssd.eff.org/

Privacy Badger

https://privacybadger.org/

HTTPS Everywhere

https://www.eff.org/https-everywhere

CertBot

https://www.eff.org/pages/certbot

Atlas Of Surveillance

https://atlasofsurveillance.org/

Cover Your Tracks

https://coveryourtracks.eff.org/

Crocodile Hunter

https://github.com/EFForg/crocodilehunter