gchq / CyberChef

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

padloc / padloc

A modern, open source password manager for individuals and teams.

SheepChef / Abracadabra

Abracadabra 魔曰，古文风文本加密工具

liamcottle / reticulum-meshchat

A simple mesh network communications app powered by the Reticulum Network Stack.

amark / gun

An open source cybersecurity protocol for syncing decentralized graph data.

cryptpad / cryptpad

Collaborative office suite, end-to-end encrypted and open-source.

dotenvx / dotenvx

a secure dotenv—from the creator of `dotenv`

gildas-lormeau / zip.js

JavaScript library to zip and unzip files supporting parallel compression, web streams, pluggable compression engines, zip64, split files, data encryption, and deflate64 decompression.

ranisalt / node-argon2

Node.js bindings for Argon2 hashing algorithm

mailvelope / mailvelope

Browser extension for OpenPGP encryption with Webmail

robinkarlberg / transfer.zip-web

A self-hostable complete file-sharing solution that focuses on reliability, security and ease of use.

PrismarineJS / node-minecraft-protocol

Parse and serialize minecraft packets, plus authentication and encryption.

meld-cp / obsidian-encrypt

Hide secrets in your Obsidian.md vault

pubkey / eth-crypto

Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

ancsemi / Haven

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

miroslavpejic85 / mirotalkc2c

📹 Open-source, self-hosted WebRTC 1-to-1 video calling for private real-time communication. Build secure browser-based consultations, coaching, support, telehealth, and other video call experiences with peer-to-peer communication and screen sharing.

bennjordan / Wavest

A mobile-friendly web-based ultrasonic communicator that supports callsigns and encryption.

munzzyy / starling

Private, end-to-end encrypted location sharing for your circle. No accounts, no tracking. Live at starlingmap.app

kejiland / qingyu-blog

零框架零依赖的个人博客系统 — 双击 index.html 即用，支持 Cloudflare Workers + D1 云端部署

vincenzo-afk / DropLink

DropLink is a decentralized, temporary peer-to-peer sharing platform. Files, folders, links, and chat messages move directly between browsers over an encrypted WebRTC connection — the server only helps two browsers find each other and never sees, stores, or touches a single byte of your data.

IceApriler / dsh-remote-mobile

DeepSeek Harness 远程与移动端安全网关插件：零修改 DSH 底层代码安全开放局域网与 Tailscale 连接 | DeepSeek Harness (DSH) Remote & Mobile Security Guard: safely opens Tailscale/LAN with zero core modifications, QR scan auth, RSA encryption & brute-force defense.