Best Flent Alternatives in 2026
Updated
20 tools from network testing software ranked against Flent on the same published basis.
- 1Flent vs PingPlotter
- 2Flent vs OpenSpeedTest
- 3Flent vs LibreSpeed
- 4Flent vs TRex
- 5Flent vs EVE-NG
- 6Flent vs GNS3
- 7Flent vs Mininet
- 8Flent vs Ostinato
- 9Flent vs Netperf
- 10Flent vs Netpicker
- 11Flent vs Cisco pyATS
- 13Flent vs Batfish
- 14Flent vs Invariant
- 15Flent vs iperf3
- 16Flent vs IP Fabric
- 17Flent vs perfSONAR
- 18Flent vs NetBeez
- 19Flent vs iPerf2
- 20Flent vs Tessabyte
- 21Flent vs M-Lab NDT
Flent alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | PingPlotter | 8.0 | Free plan | $29/mo | iOS, Linux, Mac, Web, Windows |
| 2 | OpenSpeedTest | 7.8 | Free plan | Free | Android, iOS, Linux, Mac, self-hosted, Web, Windows |
| 3 | LibreSpeed | 7.6 | Free plan | Free | Android, Linux, Mac, self-hosted, Web, Windows |
| 4 | TRex | 7.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | EVE-NG | 7.4 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 6 | GNS3 | 7.2 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 7 | Mininet | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 8 | Ostinato | 7.2 | No | $12/mo | API, Linux, Mac, self-hosted, Windows |
| 9 | Netperf | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 10 | Netpicker | 7.1 | Free plan | $625/mo | API, Linux, self-hosted, Web |
| 11 | Cisco pyATS | 7.0 | Free plan | Free | Linux, Mac, self-hosted |
| 13 | Batfish | 6.9 | No | — | API, Linux, Mac, self-hosted, Windows |
| 14 | Invariant | 6.9 | Free plan | Free | API, Web |
| 15 | iperf3 | 6.9 | Free plan | Free | API, Linux, Mac, self-hosted |
| 16 | IP Fabric | 6.8 | No | — | API, Linux, self-hosted, Web |
| 17 | perfSONAR | 6.6 | Free plan | Free | API, Linux, self-hosted |
| 18 | NetBeez | 6.4 | No | — | Linux, Mac, Web, Windows |
| 19 | iPerf2 | 6.2 | No | — | Windows, Mac, Linux, Android |
| 20 | Tessabyte | 6.2 | No | — | Windows, Mac, Linux, iOS |
| 21 | M-Lab NDT | 6.1 | No | — | Web, Android |
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Questions about Flent alternatives
What is the best alternative to Flent?
PingPlotter, number 1 in network testing software with a score of 8.0 out of 10. The others here: OpenSpeedTest, LibreSpeed, TRex and 16 more.
What is the best free alternative to Flent?
PingPlotter is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.