Defensive security & privacy63 projects

K

KeePass-compatible password manager for iPhone, iPad, and Mac.

NA

Private, secure Swiss dVPN. WireGuard, mixnet, decentralized proxy, no email.

Q

QtPass is a multi-platform GUI for pass, the standard unix password manager.

S

Privacy-focused SMS app with encrypted conversations.

A domain blocklist and allowlist for use in AdGuard Home or similar.

Offline, encrypted vault for seed phrases, private keys, passwords and API keys. Also used by agents.

I

An open-source browser: ungoogled-chromium underneath, a GPUI interface on top, built to be the browser AI agents work in.

Terminal password manager for KeePass vaults.

Free and open-source KeePass-compatible password manager for Windows, Linux, and Android.

K

A KeePass-compatible password and secrets manager for people who work with AI agents.

K

Email attention firewall. Five lanes, a reason on every message, your own model key. AGPL-3.0.

Zero-Knowledge E2EE Post-Quantum Messenger. Anonymous architecture, no PII, powered by Signal Protocol SPQR & WebAssembly.

T

A native Mac password manager for Vaultwarden and Bitwarden — Swift/SwiftUI, AutoFill with passkeys and one-time codes, Touch ID, command palette, SSH agent.

A modern, multi-protocol file manager and FTP client with integrated AI, cloud sync, and military-grade encryption.

C

Open-source clipboard and file sharing for Windows, Android and Apple devices. iPhone Control Center and Share Sheet via Shortcuts; Docker or Windows host on your LAN/VPN.

Dual-panel Android file manager & reverse engineering suite (MT Manager alternative). DEX/Smali & HEX editor, Apktool, AntiSplit, ARSC/AXML editor, Shizuku & Root.

P

Encrypted passwords on printable QR cards. No network, stores nothing.

P

A secure, lightweight, and 100% offline password manager.

VK

Know your network. Discover, scan & diagnose.

A

🛡️ A set of modular, highly‑optimized, and efficient filter lists that block ads, trackers, malware, phishing, and intrusive web clutter - from cookie banners to fake links. 👾.

cortex is a password manager: multiple accounts and sync across devices.

Passfab-unlocker: Standalone Offline Password Recovery Solution.

S

Local-first storage for browser apps: an IndexedDB working copy, portable encrypted ZIP backups, durable homes (disk, Google Drive, WebDAV, S3) and serverless multi-device sync.

AM

Private email app with end-to-end encryption, aliases, and custom domains.

DT

Easily toggle and automate Private DNS through the Quick Settings panel.

Command line interface for Dashlane. Access your secrets in your terminal, servers and CI/CD.

L

LordOS — a free, fast and secure GNU/Linux distribution based on Debian, with its own desktop environment: display server and Wayland compositor in C, a React UI engine on QuickJS, and private native apps.

P

Allow you to manage the credentials stored in your Nextcloud Passman app.

PS

Password Safe is a password manager, available on Windows and Linux: two-factor authentication.

Secure Encrypt with AES-256 | Free, open-source AES-256 file & folder encryption for Windows. Self-decrypting files – recipient needs no app. Plus a browser version.

S

Network security scanner. Nmap-powered port scanning, CMS detection with live CVE lookup (CIRCL), security headers scoring and SSL/TLS analysis. GTK4 desktop GUI. Part of the ShieldEye toolkit.

T

Lock your screen instantly with a double tap.

Pi-hole-style DNS ad blocker for the ESP32-S3 (N16R8). Blocks ads and trackers for your whole network, sends other lookups over encrypted DNS-over-TLS (Cloudflare/Quad9), caches answers in PSRAM and updates its…

Modern fwbuilder successor: Qt GUI for managing iptables/nftables policies. Centralized policy DB with reusable objects, scales to hundreds of firewalls, generates deployment-ready shell scripts.

Multi-engine Android VPN — Xray, WARP, Psiphon, Tor, Geph, OpenVPN, MASQUE/AmneziaWG, and the MLM Adaptive Engine that routes each app by its own best path; Cloudflare panels, Config Studio, game booster.

Local-first AI inference platform for LLMs — private chat, RAG, defense-in-depth security (Daily/Bulbe, encryption at rest, 2FA), on your own hardware. SvelteKit + FastAPI.

VS

Secure offline password and identity wallet manager.

P

Offline cyber security agent for your apps and AI coding tools. Open R&D: measured in public, improved every release.

Route your entire Linux system through Tor transparently, like a VPN — with leak protection built in.

VPN tunneler that just works. Fetches, patches, connects. Powered by VPNGate.