1526 Open source projects that are alternatives of or similar to Sephia Five

CloakifyFactory - Data Exfiltration & Infiltration In Plain Sight; Convert any filetype into list of everyday strings, using Text-Based Steganography; Evade DLP/MLS Devices, Defeat Data Whitelisting Controls, Social Engineering of Analysts, Evade AV Detection

Demos, Examples, Tutorials for using Microsoft SEAL library.

Main repository for the Veracruz privacy-preserving compute project.

IBM Fully Homomorphic Encryption Toolkit For Linux. This toolkit is a Linux based Docker container that demonstrates computing on encrypted data without decrypting it! The toolkit ships with two demos including a fully encrypted Machine Learning inference with a Neural Network and a Privacy-Preserving key-value search.

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

A simple shell utility for encrypting and decrypting files using OpenSSL.

A dead simple tool to sign files and verify digital signatures.

A collection of common (interesting) cryptographic mistakes.

🔑 Hashing (BCrypt, SHA2, HMAC), encryption (AES), public-key (RSA), and random data generation.

🛡 I2P: End-to-End encrypted and anonymous Internet

Open Source Your Password (Mismanagement)!

🔓 CLI tool and library to execute padding oracle attacks easily, with support for concurrent network requests and an elegant UI.

A sample backend that demonstrates how to generate a Virgil JWT and Twilio token used for authentication with the Virgil and Twilio services

Email tracker, read receipt and spy pixel blocker plugin for macOS Apple Mail

wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3!

KES is a simple, stateless and distributed key-management system

A cross-platform .NET library for IMAP, POP3, and SMTP.

Client-side password-protection for HTML

An open source cybersecurity protocol for syncing decentralized graph data.

🔒 A set of high-level APIs over PointyCastle for two-way cryptography.

Authenticated Data Structures Generically

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

Capillary is a library to simplify the sending of end-to-end encrypted push messages from Java-based application servers to Android clients.

A lightweight encryption tool designed for ease of use.

Private messaging system that hides metadata

Creates Wireguard configuration for hub and peers with ease

☠️ The Pathwar Project ☠️

Self-hosted Wireguard Installer / Manager for CentOS, Debian, Ubuntu, Arch, Fedora, Redhat, Raspbian

Official implementation of IoTeX blockchain protocol in Go.

Enigma cipher tool

🔐 A free, light and easy to use client-side tool to generate PGP key pairs, encrypt and decrypt messages.

Insular email distribution - mail server as Docker images

Isotope Mail Client

Tangram Bamboo CLI Wallet

Java SDK of WeDPR-Lab-Core; WeDPR即时可用场景式隐私保护高效解决方案核心算法组件通用Java SDK

Flame is an ActionScript library that provides a number of useful UI controls, collections, cryptographic services, and utilities to work with the Flex SDK.

📱 Wire for iOS (iPhone and iPad)

Slack alternative, email integrated, build with Meteor

Zebra Crossing: an easy-to-use digital safety checklist

Monorepo hosting the proton web clients

A Linux Ransomware

Minimalist secure text editor and binary encryptor that implements RFC 4880 Open PGP format: symmetrically encrypted, compressed and integrity protected. The editor can protect files with passwords, key files or both.

Peer-to-peer encrypted message exchange

The privacy-focused cryptocurrency

opmsg message encryption

The DIME resolver library and command line utilities.

Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network

s2n : an implementation of the TLS/SSL protocols

✅ .NET crypto done right. Professionally audited.

Encrypted personal archives

OpenPGP library for iOS and macOS

The portal to the new, open internet. ([I:b])

Datasafe - flexible and secure data storage and document sharing using cryptographic message syntax for data encryption

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.

Fully featured, open source, privacy friendly email app for Android

Cingulata (pronounced "tchingulata") is a compiler toolchain and RTE for running C++ programs over encrypted data by means of fully homomorphic encryption techniques.

Filesystem in userspace (FUSE) with transparent authenticated encryption

Multi-platform transparent client-side encryption of your files in the cloud

Monero: the secure, private, untraceable cryptocurrency