Websites with loads more security advice/guides

• Security In A Box
• Surveillance Self Defence (EFF)
• Privacy Tools
• Prism Break
• Bristol AFED workshop notes
• Tech Tools For Activism
• Riseup Security Help Pages

Phone Apps

• F-droid (alternative app store)
• Signal (encrypted messaging over net)
• AIMSICD (detect some IMSI catchers)
• osmand (offline mapping)
• afwall (firewall)
• cryptfs password (allow longer phone passwords)
• conversations / chatsecure (encrypted messaging over net)
• obscuracam (take photos without metadata / with face blurring)
• debian kit / lil’ debi (run linux within android)
• flym (RSS feed reader)
• orbot / orfox / orweb (allows you to use Tor for some apps on your phone)
• ring / wire (encrypted voice calls over net)
• riot (chat systems which aims to join up every chat network)
• wherearetheeyes (collective map of CCTV)
• wi-fi privacy police (protect against some types of wifi leaks)
• webapps (use facebook and other corporate services in a more isolated way)
• k-9 mail (email program)
• open keychain (allows you to use encrypted emails on k-9 mail)

Alternative Phone Operating Systems

• Blackphone
• LineageOS
• Replicant
• Copperhead