Apple, Google, and Microsoft are allegedly a part of PRISM. Their proprietary operating systems cannot be trusted to safeguard your personal information from the NSA. We have two free alternatives: GNU/Linux and BSD.
GNU/Linux has a much larger community to help you with the transition. It’s recommended that you begin your explorations by looking for a GNU/Linux distribution that suits your needs.
Debian has a long tradition of software freedom. Contributers have to sign a social contract and adhere to the ethical manifesto. Strict inclusion guidelines make sure that only certified open source software gets packaged in the main repositories.
Gentoo describes itself as a meta-distribution. The source code is compiled to binary applications on the user's machine allowing near-unlimited adaptability and complete retraceability of the program logic.
Linux Mint Debian Edition (LMDE) is probably the easiest-to-use distribution for people migrating from Microsoft Windows.
Both Fedora and openSUSE are community editions that serve as the stable basis for enterprise ready GNU/Linux distributions with commercial support. Companies all over the world trust Red Hat Inc. and SUSE Linux GmbH because of their transparency throughout the whole development process.
Parabola GNU/Linux is effectively 99% Arch Linux with a de-blobbed kernel and a meta-package that blocks unfree licenses. Both of these features can be installed under Arch.
Canonical’s Ubuntu is not recommended by PRISM Break because it contains Amazon ads and data leaks by default. GNU/Linux distributions based on Ubuntu are also currently not recommended due to several other reasons.