400 Open source projects that are alternatives of or similar to Sio

Encrypted, taggable, searchable cloud storage

Open source Android, iOS and Web app for learning about and managing digital and physical security. From how to send a secure message to dealing with a kidnap. Umbrella has best practice guides in over 40 topics in multiple languages. Used daily by people working in high risk countries - journalists, activists, diplomats, business travelers etc.

GDPR compliance with ease.

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

Android library to reveal or obfuscate strings and assets at runtime

Modern cryptography for PostgreSQL using libsodium.

Cryptee's web client source code for all platforms.

Collaboration suite, end-to-end encrypted and open-source.

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC examples are included

An open source cybersecurity protocol for syncing decentralized graph data.

Simple and Secure Wrapper for phpseclib

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

支持国密SM2/SM3/SM4/SM9/ZUC/SSL的OpenSSL分支

Provides familiar Spring abstractions for HashiCorp Vault

An easy, fast lib to correctly password-protect your data

🚀⚡ Kotlin SharedPreferences wrapper & cryptographic preferences android library.

Yet Another Dotfiles Manager

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 🔑📴

📦 • Send a file p2p and e2e encrypted in your browser using WebRTC.

Brook is a cross-platform strong encryption and not detectable proxy. Zero-Configuration. Brook 是一个跨平台的强加密无特征的代理软件. 零配置.

Java implementation of RNCryptor

🔐 A detailed example for how to encrypt data in a Phoenix (Elixir) App before inserting into a database using Ecto Types

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

🔑 Simple notepad for Windows with encryption features

Lightweight and blazing fast key-value database written in pure Dart.

Reverse engineering WhatsApp. Documentation and protocols.

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

Configuration Integration with HashiCorp Vault

An EteSync web client

The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES JSON Web Signature/Token in pure JavaScript.

Secure USB DFU1.1 bootloader for STM32

👨‍💻 Simple and effective Obfuscator PHP class (this is not a stupid base64 encoding script, but a real and effective obfuscation script)

The CIDLib general purpose C++ development environment

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.

Pythonic ransomware proof of concept.

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

Laravel and Lumen Source Code Encrypter

Armor is a simple Bash script designed to create encrypted macOS payloads capable of evading antivirus scanners.

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

A library for doing homomorphic encryption operations on tensors

Successor of zendesk/helm-secrets - A helm plugin that help manage secrets with Git workflow and store them anywhere

XEP-0384: OMEMO Encryption for libpurple.

High performance and distributed KV store w/ REST API. 🦀

🐍 py2sec is a Cross-Platform, Fast and Flexible tool to change the .py to .so(Linux and Mac) or .pyd(Win).

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

把任意文字和玛丽苏体的姓名进行加密转换

BitTorrent library and client with DHT, magnet links, encryption and more

Client-side password-protection for HTML

Make using Bouncy Castle with OpenPGP fun again!

A package for automatically encrypting and decrypting Eloquent attributes in Laravel 5.5+, based on configuration settings.

A format-preserving encryption implementation in Go

Password protect a static HTML page

Script for encrypting a GNU/Linux filesystem and then destroying the keys

Powershell module for creating and extracting 7-Zip archives

A script for compiling OpenSSL for iOS Devices (iPhone, iPad, iPod Touch, AppleTV, MacCatalyst)

⚗️ a privacy centric matrix client

SQLite3 encryption that sucks less

[DEPRECATED] Encrypted, secure, decentralized personal data wallet -- technology behind textile.photos

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

EteSync - Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks.