NextPGP is a elegant and powerful, modern online PGP tool built with Next.js. It can generate keys, manage keyrings, encrypt and decrypt messages securely and effortlessly.

A Python-based tool for encrypting and decrypting messages using the cryptography library's Fernet method. The program features a simple command-line interface and automatic secret key generation for secure data protection.

Swift library for DIDComm V2 protocol with message encryption/decryption, signing, DID authentication, and advanced routing for secure, decentralized communication.

It is a simple local tool for testing end-to-end encryption (E2EE) between two parties

Golang implementation of GlobalPlatform SCP03

A secure, anonymous, and decentralized messaging app using the Tor network. No registration, no personal information required. Perfect for privacy enthusiasts.

Secure and anonymous messaging application. Fully decentralized peer-peer and fully anonymous.

ChatGPT based AI assistant to add to your Signal conversations

Messaging App

Golang implementation of GlobalPlatform SCP02

TreeKEM Library in JavaScript, Focusing on Generalization

🔐 Secure, NIP-compliant magic link authentication for Nostr applications. Features encrypted DMs (NIP-04), multi-relay support, and i18n with RTL languages. Built with TypeScript for type-safe, passwordless authentication flows.

Messenger's client and server backend

Kalrav – Where Conversations Take Flight 🕊️💬 More than just a chat app, Kalrav lets voices find harmony 🎵, thoughts gain meaning 💭, and connections grow 🤝. With a sleek UI ✨, real-time messaging ⚡, and secure chats 🔒, every exchange feels fluid 🌊. Whether sharing quiet moments ☕ or vibrant discussions 🔥, let your words soar—free and heard✨

PulseConnect: Simplifying Blood Donation. Connects donors, recipients, and blood banks seamlessly. Register, request, or organize donation camps effortlessly. Secure authentication ensures trust. Join us in saving lives.

Esto es una app cliente-servidor en C++ que cifra mensajes con ChaCha20-Poly1305 y usa X25519 para el intercambio seguro de claves. Soporta comunicación bidireccional por TCP y configuración vía XML.

StreamNet is a secure, real-time chat application designed for local network communications with integrated AI capabilities. Built with modern web technologies and a focus on security, StreamNet delivers a seamless, encrypted messaging experience tailored for your local network.

A Spring Boot-based Java application demonstrating the integration of Kafka for real-time message streaming, along with secure authentication using Spring Security and JWT. The application showcases Kafka producer and consumer functionality while ensuring secure access through role-based authentication.

Cryptographically Secure Messaging App created with ALS, E2EE, and Digital Signature