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Flent

No phone app

6.5No. 20 of 33
in Network Testing Software
  • Recognised40% of the score33
  • Phone app26% of the score0
  • Documented20% of the score83
  • Free plan14% of the score100
Free plan
Yes
Runs on
Linux, Mac
Visit site Alternatives

Summary

Flent is ranked #20 of 33 in network testing software on Samsung Mobile US Press. It runs on Linux, macOS. There is a free plan.

Flent plans and pricing

All plans
Flent Free No paid plans or usage limits stated on the opened pages flent.org · 4 Oct 2026

Compared on network testing software

Deployment
desktopflent.org
Test methods
activeflent.org
Protocol support
TCP, UDP, ICMPflent.org

Facts

Purpose
Flent wraps netperf and similar tools to run predefined network tests, aggregate results, and plot them, primarily to test for bufferbloat.flent.org · 4 Oct 2026
Repeatable tests
It combines benchmarking tools into aggregate, repeatable test runs.flent.org · 4 Oct 2026
Data capture
It can capture metadata from local and remote hosts and store it with plot data.flent.org · 4 Oct 2026
Additional measurements
It can collect CPU usage, WiFi, qdisc, and TCP socket statistics as secondary data series.flent.org · 4 Oct 2026
Automation
Batch experiment runs can automate testing regimes.flent.org · 4 Oct 2026
Outputs
Aggregated results can be saved as gzipped JSON or output as CSV, Org tables, and plots.flent.org · 4 Oct 2026
Plot formats
Plots can be saved in formats supported by matplotlib, including PNG, PS, PDF, and SVG.flent.org · 4 Oct 2026
Tools and dependencies
Most tests use netperf 2.6 or later, while some use iperf; both tools must be available in PATH for the tests that use them.flent.org · 4 Oct 2026
UDP measurements
The documentation recommends irtt for UDP measurements and says its server must run on target hosts.flent.org · 4 Oct 2026
Desktop GUI
An interactive plot viewer is available, and the macOS installation instructions list PyQt5 and qtpy as optional GUI dependencies.flent.org · 4 Oct 2026
Supported installs
The site lists installation options for Linux distributions, FreeBSD, and macOS.flent.org · 4 Oct 2026
Intended users
The project describes Flent as a tool for making network experiments more reliable and easier to perform.flent.org · 4 Oct 2026

Best Flent alternatives

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PingPlotter No. 1 9.1 iPhone only$29/moCisco ThousandEyes No. 2 8.3 Android onlyLibreSpeed No. 3 8.0 Android onlyFreeperfSONAR No. 4 7.7 No phone appFreeTRex No. 5 7.7 No phone appFreeCisco pyATS No. 6 7.6 No phone appFree

Where it ranks on Samsung Mobile US Press

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Sources