Best Encryption & Privacy GitHub Repositories

"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files

bluetooth mesh chat, IRC vibes

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the AI-driven world.

Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

Cryptography Toolkit

🔐 Securely share sensitive information with automatic expiration & deletion after a set number of views or duration. Track who, what and when with full audit logs.

BouncyCastle.NET Cryptography Library (Mirror)

Conscrypt is a Java Security Provider that implements parts of the Java Cryptography Extension and Java Secure Socket Extension.

Stock Indicators for .NET is a C# NuGet package that transforms raw equity, commodity, forex, or cryptocurrency financial market price quotes into technical indicators and trading insights. You'll need this essential data in the investment tools that you're building for algorithmic trading, technical analysis, machine learning, or visual charting.

Cryptomator for Android

C#/.NET client library for the Binance.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

The backend framework for crypto apps

The simplest and most extensible zkVM. Fast and fully open source from a16z crypto and friends. ⚡

🔑 Free Offline-first Password Manager

A self-hosted dead man's switch for delivering encrypted messages (E2EE) to your loved ones — when you're gone or unresponsive.

Usable, easy and safe pure-Rust crypto

Homomorphic Encryption library and applications in Swift

Self-hosted private chat: no cloud, no telemetry, no Big Tech. Discord alternative that runs on your own machine.