Pwntools is a Python-based CTF framework and exploit development library that provides tools and utilities for creating exploits and solving capture-the-flag challenges. The framework includes modules for binary manipulation, shellcode generation, network communication, and cryptographic operations. It offers functions for interacting with processes, handling different architectures, and automating common exploitation tasks. The library supports various platforms and architectures, with optimized compatibility for 64-bit Ubuntu LTS releases. It includes educational resources such as tutorials and example solutions from previous CTF competitions. Pwntools provides APIs for socket programming, process interaction, and payload crafting. The framework includes utilities for encoding/decoding data, managing connections, and handling binary formats across different systems.