John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

a tool to enumerate the resource records of a DNS zone using its DNSSEC NSEC or NSEC3 chain

A modular implementation of timely dataflow in Rust

A simple, secure, and stealthy port knocking implementation that does not use libpcap or bind to a socket interface.