FireChat 5 alternatives | Website
Chat "off-the-grid" with people around you – even if there is no Internet connection or mobile phone coverage.

Chat "off-the-grid" with people around you – even if there is no Internet connection or mobile phone coverage.
Hubzilla is a powerful platform for creating interconnected based websites featuring a decentralised identity, communications, and permissions framework built using common webserver technology. Hubzilla is very suitable for communities (of any size).
Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.
Unlike other popular messaging apps (including those claiming to use encryption), even we as the server operator have absolutely no way to read your messages.
Features:
iptablesbuild is effectively a configuration manager for iptables. It is intended to manage iptables configurations in a centralized location for multiple systems.
AOKP stands for Android Open Kang Project. It is a custom ROM distribution for many Android devices. It is mostly based off of AOSP.
MiniKeePass provides secure password storage on your phone that's compatible with KeePass.
Features
View, Edit, and Create KeePass 1.x and 2.x files
Import/Export files to Dropbox using the Dropbox iPhone app
Copy password entries to the clipboard for easy entry
Open websites in Safari while MiniKeePass runs in the background
Prevent unauthorized access to MiniKeePass with a PIN
Remember database passwords in the device's secure keychain
dnscrypt-proxy - A tool for securing communications between a client and a DNS resolver
VeraCrypt is a free disk encryption software brought to you by IDRIX and that is based on TrueCrypt . It adds enhanced security to the algorithms used for system and partitions encryption making it immune to new developments in brute-force attacks.
For example, when the system partition is encrypted, TrueCrypt uses PBKDF2-RIPEMD160 with 1000 iterations whereas in VeraCrypt we use 327670. And for standard containers and other partitions, TrueCrypt uses at most 2000 iterations but VeraCrypt uses 655340 for RIPEMD160 and 500000 iterations for SHA-2 and Whirlpool.
Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.
Swiss Based
ProtonMail is incorporated in Switzerland and our servers are located in Switzerland. We are outside of US and EU jurisdiction and all user data is protected by strict Swiss privacy laws.
Zero Access
Because of our end-to-end encryption, your data is already encrypted by the time it reaches our servers. We have no access to your messages, and since we cannot decrypt them, we cannot share them with third parties.
Backwards Compatible
ProtonMail works out of any modern web browser, there is nothing to install. We are also backwards compatible with other email providers so you can continue sending and receiving emails from friends who are not using ProtonMail.
Forever Free
We believe privacy is a fundamental human right and should be available for everyone. That's why we offer multi-tiered pricing including a free version that anyone can use. Let's bring privacy back to the people!
Fully Anonymous
We do not log IP addresses or require any personal information to sign up. We accept bitcoin and cash payments for paid accounts to ensure even paid account users have complete privacy.
Cross Platform
ProtonMail works on all devices, including desktops, laptops, tablets, and smartphones. It's as simple as visiting our site and logging in. There are no plugins or apps to install - simply use your favorite web browser.
LUKS is the standard for Linux hard disk encryption. By providing a standard on-disk-format, it does not only facilitate compatibility among distributions, but also provides secure management of multiple user passwords. In contrast to existing solution, LUKS stores all setup necessary setup information in the partition header, enabling the user to transport or migrate his data seamlessly.
LUKS was designed according to TKS1, a template design developed in TKS1 for secure key setup. LUKS closely reassembles the structure recommended in the TKS1 paper, but also adds meta data for cipher setup management and LUKS also supports for multiple keys/passphrases.
An example application that demonstrates how to build peer-to-peer Web applications with Beaker Browser, Dat, and WebDB.
dat://fritter.hashbase.io/
Distributed social network. With focus on decentralization, privacy, interoperability.
OpenWRT ( open - wireless receiver transmitter ) is a niche Linux distribution mainly installed on embedded devices, e.g. residential gateways.
It is built on top of the Linux kernel and consists of a collection of diverse software packages.
For easy installation and de-installation of packages it relies on the opkg Package management system.
OpenWrt primarily uses the command-line interface of sh or (optional) bash, but also features optional web-based GUI interfaces, such as LuCI or X-Wrt or Gargoyle Router Firmware.
Documentation : https://wiki.openwrt.org/doc/start
OpenDNS is the leading provider of security and infrastructure services that make the Internet safer through integrated Web content filtering, anti-phishing and DNS. OpenDNS services enable consumers and network administrators to secure their networks from online threats, reduce costs and enforce Internet-use policies. OpenDNS is used today by millions of users and organizations around the world.
CryptoKitties is a game centered around breedable, collectible, and oh-so-adorable creatures we call CryptoKitties! Each cat is one-of-a-kind and 100% owned by you; it cannot be replicated, taken away, or destroyed.
CryptoKitties is one of the world’s first games to be built on blockchain technology—the same breakthrough that makes things like Bitcoin and Ethereum possible. Bitcoin and ether are cryptocurrencies but CryptoKitties are cryptocollectibles. You can buy, sell, or trade your CryptoKitty like it was a traditional collectible, secure in the knowledge that blockchain will track ownership securely.
But, unlike traditional collectibles, you can breed two CryptoKitties to create a brand-new, genetically unique offspring. It results in something special—just like you!
Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others! Gufw is powered by Uncomplicated Firewall (ufw).
Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference.
Cock.li is your go-to solution for professional E-mail addresses and XMPP addresses.
Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
Mastodon is a decentralized microblogging engine.
FEATURES
KeePass Cross-Platform Community Edition - A community maintained fork of the popular KeePassX application with more features and frequent updates.
CryFS encrypts your files, so you can safely store them anywhere. It works well together with cloud services like Dropbox, iCloud, OneDrive and others.
Netsukuku is a mesh network or P2P protocol that generates and sustains itself autonomously.
A security and privacy focused mobile operating system compatible with Android apps. Google-free secure Android for the latest hardware.
A free and open-source operating system for smartphones and tablet computers, based on the Android mobile platform. It is the successor to the highly popular custom ROM CyanogenMod, from which it was forked in December 2016 when Cyanogen Inc. announced it was discontinuing development and shut down the infrastructure behind the project. Since Cyanogen Inc. retained the rights to the Cyanogen name, the project rebranded its fork as LineageOS.
LineageOS was officially launched on December 24, 2016, with the source code available on GitHub. Since that time, LineageOS has been described as highly popular and forcibly developed; within 4 months from the initial announcement, LineageOS development builds covered more than 160 models of phone, and over a million users, having doubled its user base in the month February–March 2017.
A decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB).
Zcash is the first open, permissionless cryptocurrency that can fully protect the privacy of transactions using zero-knowledge cryptography.
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
TrueCrypt is a disk encryption software for Windows Vista/XP, Mac OS X, and Linux.
Creates a virtual encrypted disk within a file and mounts it as a real disk.
Encrypts an entire partition or storage device such as USB flash drive or hard drive.
Encrypts a partition or drive where Windows is installed (pre-boot authentication).
Encryption is automatic, real-time (on-the-fly) and transparent.
Parallelization and pipelining allow data to be read and written as fast as if the drive was not encrypted.
Encryption can be hardware-accelerated on modern processors.
Provides plausible deniability, in case an adversary forces you to reveal the password:
Hidden volume (steganography) and hidden operating system.
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