*[https://www.torproject.org/ Tor Browser] - [[Wikipedia:Tor_(network)|Tor]] (The Onion Router) is a network that anonymizes web traffic to provide truly private web browsing. The Tor Browser hides your IP address and browsing activity by redirecting web traffic through a series of different routers known as nodes.
====Email Clients / Email Encryption Standards====
*[https://www.thunderbird.net/ Mozilla ThunderBird] - is a free, open-source, cross-platform application for managing email, news feeds, chat, and news groups. It is a local email application, meaning it installs and runs as a client on your device, being rather than browser or web-based. [https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq FAQ How to implement OpenPGP in Thunderbird].
*[https://www.openpgp.org/ OpenPGP] - is the most widely used email encryption standard. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) as a Proposed Standard in RFC 4880. OpenPGP was originally derived from the PGP software, created by Phil Zimmermann.
*[https://www.gnupg.org/ GnuPG] - is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP). GnuPG allows you to encrypt and sign your data and communications; it features a versatile key management system, along with access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
*[https://wiki.gnome.org/Apps/Evolution Evolution] - is a personal information management application that provides integrated mail, calendaring and address book functionality. Check the Privacy Policy sub-page for a general information about user data usage. [https://riseup.net/en/email/clients/evolution FAQ How to implement OpenPGP in Evolution].
*[https://neomutt.org/ NeoMutt] - is a command line mail reader (or MUA ). It's a fork of Mutt with added features.
====Chat Applications / Platforms====