Bitmask is an open source application to provide easy and secure encrypted communication. You can choose among several different service providers or start your own. Currently, Bitmask supports encrypted internet (VPN) and encrypted email.
Briar offers peer-to-peer encrypted messaging and forums, storing data securely on your device and not in the cloud. Briar also allows you to connect directly with nearby contacts without Internet access, making messaging possible with low-bandwidth or when Internet access is blocked.
Checkey is a utility for getting information about the APKs that are installed on your device. Starting with a list of all of the apps that you have installed on your device, it will show you the APK signature with a single touch, and provides links to virustotal.com and androidobservatory.org to easily access the profiles of that APK. It will also let you export the signing certificate and generate ApkSignaturePin pin files for use with the TrustedIntents library.
Courier is a mobile news reader with enhanced security features, offline reading and device-to-device sharing capability. We’ve designed it to be fast and light on slow networks and secured from device and network monitoring.
F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.
FreedomBox is a simple private server, wireless internet router, and multi-purpose tool designed to create internet freedom with only free software and inexpensive hardware. FreedomBox is a Debian-based system designed to protect against data-mining, surveillance, and censorship.
Bitmask is an open source application to provide easy and secure encrypted communication. You can choose among several different service providers or start your own. Currently, Bitmask supports encrypted internet (VPN) and encrypted email.
Mailvelope is an easy-to-use browser extension for Chrome and Firefox that enables the exchange of encrypted emails following the OpenPGP encryption standard.
The NetAidKit is a pocket size, USB powered router that connects everything to everything, designed specifically for non-technical users. The easy to use web interface will allow you to connect the NetAidKit to a wireless or wired network and share that connection with your other devices, such as a phone, laptop or tablet.
NoScript is a Firefox extension that provides extra protection for Firefox, Seamonkey and other mozilla-based browsers. It is a free, open source add-on that allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice.
"Onion Browser is a free and open-source web browser for iPhone and iPad that encrypts and tunnels web traffic through the Tor network, with extra features to help you browse the internet privately."
OpenKeychain is an app for Android that helps you communicate more privately and securely. It is based on the well established OpenPGP standard making encryption compatible across your devices and operating systems.
"Orfox is built from the same source code as Tor Browser (which is built upon Firefox), but with a few minor modifications to the privacy enhancing features to make them compatible with Firefox for Android and the Android operating system"
Psiphon is an open-source Internet censorship circumvention tool that uses a combination of secure communication and obfuscation technologies (VPN, SSH, and HTTP Proxy).
Ripple is a "panic button" that can send it's trigger message to any app that is a "panic responder". Such apps can do things like lock, disguise themselves, delete private data, send an emergency message, and more. It is meant for situations where there is time to react, but where users need to be sure it is not mistakenly set off.
SecureDrop is an open-source whistleblower submission system that media organizations can use to securely accept documents from and communicate with anonymous sources.
Signal is an open source secure messaging application that uses end-to-end encryption. Signal is available for iOS, Android and desktop computers and allows users to send one-to-one messages, make voice and video calls, send group messages and voice notes.
Tails is a complete operating system that aims to preserve your privacy and anonymity. It helps you to use the Internet anonymously and circumvent censorship almost anywhere you go and on any computer but leaving no trace unless you ask it to explicitly. It is Free Software and based on Debian GNU/Linux.
"CameraV is the easiest way to capture and share verifiable photos and video proof on a smartphone or tablet, all the while keeping it entirely secure and private."
Gnu Privacy Guard (GnuPG) for Android brings the widespread standard in OpenPGP encryption to Android. GnuPG provides solid encryption for keeping emails and files private, and for verifying that emails and files are who you think they are.
Martus is an open source software application that allows users anywhere in the world to securely gather and organize information about human rights violations.
The secureApp Generator by Benetech will provide a public system for the creation of secure, multi-lingual, and open source data collection apps that will improve information management and reduce the risk of exposure for reporters, researchers, and activists. By lowering the barrier to strong, open source encryption, this app will democratize technology and empower citizens.
StoryMaker is an Android app that enables aspiring journalists all over the world to safely produce and publish professional-grade news with their phone.