The iperf series of tools perform active measurements to determine the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, protocols, and buffers. For each test it reports the measured throughput, loss, and other parameters.
- - iPerf3 is the most popular Windows, Android, Mac & Linux alternative to Flent.
- - iPerf3 is the most popular Open Source & free alternative to Flent.
SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. SmokePing uses RRDtool to maintain a longterm data-store and to draw pretty graphs, giving up to the minute information on the state of each network...
This project gives a better UI and new functionalities to the initial JPerf 1.0 project based on the iperf network bandwidth measurement tool.Discontinued
The last update was released on May 5th, 2009.
nuttcp is a network performance measurement tool intended for use by network and system managers. Its most basic usage is to determine the raw TCP (or UDP) network layer throughput by transferring memory buffers from a source system across an interconnecting network to a...
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.
Netalyzr is a free tool that analyzes your network for possible problems large and small helping you determine your overall network health. When the tests are complete, youll see an exhaustive rundown of all the results
- - Netalyzr is the most popular Web-based alternative to Flent.
They've closed the project.
A utility for testing the performance of a wireless or wired network that sends TCP and UDP data streams and computes important metrics: upstream and downstream throughput values, packet loss, and round-trip time, etc. It supports both IPv4 and IPv6 connections.
Launch a Network Speed Test Server. Without using any commands, test and fix your local network before pointing fingers towards your ISP for slow and sluggish Internet.
- - OpenSpeedTest-Server is the most popular SaaS & Self-Hosted alternative to Flent.