iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool
YABS - a simple bash script to estimate Linux server performance using fio, iperf3, & Geekbench
Netronome is a modern network speed testing and monitoring tool built with Go and React.
iperf3 binaries for Windows. Benchmark your network limits.
A list of public iPerf3 servers...
A modern iperf3 alternative with a live TUI, multi-client server, and QUIC support. Built in Rust.
Network-first tuning for Debian/Ubuntu VPS: reversible BBR + fq, BDP-aware TCP buffers, diagnostics and budgeted measurement