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

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

Hardware tool for RFID analysis, emulation, and penetration testing. Supports 125kHz, 13.56MHz protocols (MIFARE, iClass, ISO14443/15693) with key…

Multi-protocol cryptographic analyzer auditing TLS, SSL, SSH, IKE, DNSSEC, and HTTP security headers. Detects 400+ cipher suites, generates JA3/HASSH…

🛡 I2P: End-to-End encrypted and anonymous Internet

Portable OpenSSH

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

Building 70 Projects ranging from beginner to advanced so anyone can — learn from, build upon, use as a reference, or even copy directly. Gamified…

Lan Tian's NixOS Configuration

Local-first encrypted password manager for logins, notes, and API keys, using a SQLite vault sealed with Argon2id and XChaCha20-Poly1305; no cloud or…

Tool to find common vulnerabilities in cryptographic public keys

C library implementing the SSH protocol for secure remote access, authentication, and encrypted communication. Includes fuzzing support via OSS-Fuzz…

A fast, modern alternative to OpenSSL's CLI - inspect, grade, and manage certificates from the terminal

General purpose TLS and crypto library


Windows protocol library, including SMB and RPC implementations, among others.

Scapy: the Python-based interactive packet manipulation program & library.

In-memory Mach-O dylib loader for stock macOS Python; decrypts, maps, and runs payloads without dlopen or writing to disk, with optional encrypted…

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