iOS

Warning: Apple iOS devices are affected by PRISM. Using them may compromise your privacy. We strongly recommend replacing your iOS device with an Android-compatible device running Replicant.

DNS
Notes

Google Public DNS permanently logs your ISP and location information for analysis. Your IP address is also stored for 24 hours.

OpenNIC has not adopted an official policy concerning log query privacy/anonymization. More information here.

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Google Public DNS
OpenDNS
Email Alternatives
Notes

Bitmessage is a promising alternative to email, but it has not yet been audited by security professionals. Use at your own risk. If you decide to try out Bitmessage, make sure to generate a completely random ID to greatly reduce the probability of ID collisions.

RetroShare has not been thoroughly audited by security professionals for possible security issues.

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Enterprise Suite
Notes
The enterprise suite category is for solutions for organizations that cover more than 10 categories in an integrated fashion (ex.: logins work throughout all apps, etc.)
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G Suite
Office 365
Zoho Office Suite
File Storage & Sync
Notes

Why not MEGA? While MEGA is free as in beer, the software is proprietary code.

Why not SpiderOak? SpiderOak is proprietary software.

Why not Tarsnap? Tarsnap is partially proprietary and hosts your data on Amazon Web Services.

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Dropbox
Google Drive
iCloud
Microsoft OneDrive
Quikmesajado
Notes

“Off-the-Record Messaging, commonly referred to as OTR, is a cryptographic protocol that provides strong encryption for instant messaging conversations. OTR uses a combination of the AES symmetric-key algorithm, the Diffie–Hellman key exchange, and the SHA-1 hash function. In addition to authentication and encryption, OTR provides perfect forward secrecy and malleable encryption.

The primary motivation behind the protocol was providing deniability for the conversation participants while keeping conversations confidential, like a private conversation in real life, or off the record in journalism sourcing.”

Wikipedia

Wikipedia

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Discord
Facebook Messenger
Google Allo
Google Hangouts
iMessage
LINE
Skype
Snapchat
Tencent QQ
Trillian
Viber Messenger
WeChat
WhatsApp
Mail Servers
Notes

A beginner’s guide to running your own mail server is available here: “NSA-proof your e-mail in 2 hours”.

Kolab integrates Roundcube into its webclient and offers desktop clients as well. Recent versions also feature a file cloud turning it into a complete solution for personal information management.

What is an MTA?

“Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. An MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol.

The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.”

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Mesh Networks
Notes

A mesh network is a decentralized peer-to-peer network, with user-controlled physical links that are usually wireless.

“Mesh networking (topology) is a type of networking where each node must not only capture and disseminate its own data, but also serve as a relay for other nodes, that is, it must collaborate to propagate the data in the network.“

Wikipedia

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Google News
Operating Systems (Mobile)
Notes

iOS and WP are proprietary operating systems whose source code are not available for auditing by third parties. You should entrust neither your communications nor your data to a black box device.

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BlackBerry 10
iOS
Productivity
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Doodle
Evernote
Google Docs
Zoho Docs
Web Browsers
Notes

Use a combination of Tor Browser and a free web browser of your choice to the surf the web.

Try to use Tor Browser as often as possible. Browsing is slower with Tor, but far more secure.

Note: Mozilla Firefox is technically not completely free software, as Mozilla recommends non-free add-ons on their website.

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Google Chrome
Opera
Safari
Yandex.Browser
Serchado en la Interreto
Notes

DuckDuckGo is a software-as-a-service (SaaS) hosted around the world that provides you with anonymous search results from these sources. DDG open source components are available here.

There is also a DuckDuckGo hidden service at 3g2upl4pq6kufc4m.onion for Tor users.

MetaGer is a SaaS by the German non-profit SUMA e.V. that provides you with anonymous meta search results.

Startpage is a SaaS hosted in the USA and the Netherlands that provides you with anonymous Google search and image results through a free proxy.

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Google Search
Microsoft Bing
Yahoo Search
Yandex Search