880 Open source projects that are alternatives of or similar to Opmsg

MagicPad is an encryption suite for beginners. It is designed to be run standalone via the browser or executable (Electron).

opmsg p2p transport network

Postfix filter/hook to automatically encrypt outgoing emails with PGP/GPG

Make using Bouncy Castle with OpenPGP fun again!

Peer-to-peer encrypted message exchange

Encrypted end to end file transfer

Authorizer is a Password Manager for Android. It emulates an HID keyboard over USB and enters your credentials on your target device. Additionally it supports OTP 🔑📴

PROJECT MOVED: https://git.silence.dev/Silence/Silence-Android/ (GitHub is just a mirror.)

Private Decentralized Communication Network 🎭 🧅

Anonymous web chat server, built on top of Themis/WebThemis

Encrypted, taggable, searchable cloud storage

🛡🛠 You are being watched. Protect your privacy against global mass surveillance.

📱 Wire for iOS (iPhone and iPad)

Use GPG to encrypt a file using our best settings

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

A p2p, secure file storage, social network and application protocol

A lightweight encryption tool designed for ease of use.

Brandis: End-to-end encryption for everyone

Encrypted Chat. No History. No Logs.

Share sensitive info without leaving a trace in your chat logs or email accounts.

Cryptee's web client source code for all platforms.

⚗️ a privacy centric matrix client

iOS native client for ADAMANT Decentralized Messenger

Anontwi is a tool for OAuth2 applications (such as: GNUSocial, Twitter) that provides different layers of encryption, privacy methods and proxy features.

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

End-to-end encrypted instant web chat

An unofficial desktop client for ProtonMail done with electron nativefier

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

Creates Wireguard configuration for hub and peers with ease

Tessera - Enterprise Implementation of Quorum's transaction manager

The dum^H^H^Hsimplest encryption tool in the world.

The Hitchhiker’s Guide to Online Anonymity

Tutanota is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

GPG symmetric password manager

End-To-End File & Message Encryption For Discord

Tanker client-side encryption SDK for JavaScript

👥 A bash-tool to store your private data inside a git repository.

A secure and PGP enabled webmail module for Phosphorus Five

Yet Another Dotfiles Manager

Zero-details, privacy-focused in-app file system.

easy-gpg-to-paper aims to make exporting your secret gpg key to paper, and then restoring from paper, an easy and painless process.

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

Secure storage for personal records built to comply with GDPR

GPG asymmetric (YubiKey) password manager

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

🔑 Free Offline Password Manager

JWT Framework

MEGA Android App

📷 PictShare is an open source image, mp4, pastebin hosting service with a simple resizing and upload API that you can host yourself. 🎑

This script implements transparent editing of gpg encrypted files.

Data deduplication engine, supporting optional compression and public key encryption.

Monero: the secure, private, untraceable cryptocurrency

A cryptography library and a SharedPreferences wrapper for Android that encrypts the content with 256 bit AES encryption. The Encryption key is securely stored in device's KeyStore.

A small library to handle Android fingerprint API.

A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

Reverse engineering WhatsApp Web.

OpenPGP library for iOS and macOS

DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome.

Registry Tweaks for Windows.

Federated Learning Library: https://fedml.ai