
emsign-trust-scan
Offline scanner for the October 2026 eMudhra/emSign CA key compromise, finds affected certificates across OS trust stores, CA bundles, Java cacerts,…

Offline scanner for the October 2026 eMudhra/emSign CA key compromise, finds affected certificates across OS trust stores, CA bundles, Java cacerts,…

Full-node Bitcoin client that validates transactions and blocks on the peer-to-peer network, with integrated wallet, cryptographic security, and…

Curated macOS security and privacy guide with practical instructions for threat modeling, disk encryption, firewall configuration, secure…

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

General purpose TLS and crypto library

World's fastest and most advanced password recovery utility

Secure offline storage of credentials with encrypted vaults, password generator, TOTP, YubiKey/OnlyKey support, browser integration, and CLI.

Infisical is the open-source platform for secrets, certificates, and privileged access management.

A private messenger for Windows, macOS, and Linux.

Secure tunneling daemon implementing VPN protocols with TLS encryption, certificate authentication, and routing/firewall configuration for private…

Simple and flexible tool for managing secrets

⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems,…

Comprehensive OWASP guide for mobile app security testing, reverse engineering, and verifying MASVS/MASWE weaknesses through static, dynamic, and…

Curated list of web application security resources including books, tools, cheat sheets, labs, and courses for learning penetration testing and…

Cryptography-driven Zero Trust toolkit implementing NHP and DHP protocols to hide network infrastructure, encrypt data, and enforce default-deny…

Cross-platform client-side encryption for cloud storage with AES-256, encrypted filenames, obfuscated folder structure, and transparent virtual drive…

Open-source iOS messenger providing end-to-end encrypted text, voice, and video calls via the Signal Protocol, with no analytics or telemetry…