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

iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool

Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides tests for both unidirectional throughput, and end-to-end latency.

Toolbox fOr Stratified Convective Atmospheres