iperf

A TCP, UDP, and SCTP network bandwidth measurement tool

21 Alternatives To iperf

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Advanced IP Scanner

Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off. Download it Free.
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Angry IP Scanner

Open-source and cross-platform network scanner designed to be fast and simple to use

Debookee

Debookee is the simplest & most powerful network traffic analyzer for macOS.
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Ixchariot

Instant performance assessment of complex networks from pre- to post-deployment.

JPerf

This project gives a better UI and new functionalities to the initial JPerf 1.
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LAN Speed Test

LAN Speed Test is a FREE utility designed to accurately measure LAN speeds.

LANBench

LANBench is a simple LAN / TCP Network benchmark utility.
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LANGuardian

NetFort LANGuardian is a network visibility solution which uses deep packet inspection to monitor, troubleshoot, and report on user & network activity.

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

Nmap

Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

Packet Loss Test

Test your Internet connection for lost packets or high latency to ensure that your gaming and…
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PingPlotter

PingPlotter is a troubleshooting tool that helps IT professionals and neophytes identify, diagnose, and resolve network issues.

PsPing

PsPing is a command-line utility for measuring network performance.

Scapy

Scapy is a powerful interactive packet manipulation program.
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SmokePing

Smokeping is a tool for measuring latency.
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Wireshark

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
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Zenmap

Zenmap is the official cross-platform GUI for the Nmap Security Scanner.
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mtr

mtr combines the functionality of the ’traceroute’ and ‘ping’ programs in a single…

netcat

Netcat is a featured networking utility which reads and writes data across network connections…
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tcpdump

tcpdump is a common packet analyzer that runs under the command line.

tcpflow

tcpflow, a TCP Flow Recorder, is a program that captures data transmitted as part of TCP…