Best Flent Alternatives in 2026
Updated
20 apps from network testing software ranked against Flent on the same published basis.
- 1Flent vs LibreSpeed
- 2Flent vs PingPlotter
- 3Flent vs TRex
- 4Flent vs EVE-NG
- 5Flent vs GNS3
- 6Flent vs Netperf
- 7Flent vs Netpicker
- 8Flent vs Cisco pyATS
- 10Flent vs iperf3
- 11Flent vs perfSONAR
- 12Flent vs OpenSpeedTest
- 13Flent vs iPerf2
- 14Flent vs M-Lab NDT
- 15Flent vs PacketForge
- 16Flent vs Batfish
- 17Flent vs Invariant
- 18Flent vs Mininet
- 19Flent vs MoonGen
- 20Flent vs Ostinato
- 21Flent vs PacketCheck
Flent alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | LibreSpeed | 6.7 | Free plan | Free | Android, Linux, Mac, self-hosted, Web, Windows |
| 2 | PingPlotter | 6.7 | Free plan | $29/mo | iOS, Linux, Mac, Web, Windows |
| 3 | TRex | 6.7 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | EVE-NG | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 5 | GNS3 | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 6 | Netperf | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 7 | Netpicker | 6.5 | Free plan | $625/mo | API, Linux, self-hosted, Web |
| 8 | Cisco pyATS | 6.4 | Free plan | Free | Linux, Mac, self-hosted |
| 10 | iperf3 | 6.4 | Free plan | Free | API, Linux, Mac, self-hosted |
| 11 | perfSONAR | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 12 | OpenSpeedTest | 5.6 | Free plan | Free | Android, iOS, Linux, Mac, self-hosted, Web, Windows |
| 13 | iPerf2 | 5.4 | No | — | Windows, Mac, Linux, Android |
| 14 | M-Lab NDT | 5.3 | No | — | Web, Android |
| 15 | PacketForge | 5.3 | No | — | Web, Windows |
| 16 | Batfish | 5.2 | No | — | API, Linux, Mac, self-hosted, Windows |
| 17 | Invariant | 5.2 | Free plan | Free | API, Web |
| 18 | Mininet | 5.2 | No | — | API, Linux, Mac, self-hosted, Windows |
| 19 | MoonGen | 5.2 | No | — | Linux |
| 20 | Ostinato | 5.2 | No | $12/mo | API, Linux, Mac, self-hosted, Windows |
| 21 | PacketCheck | 5.2 | No | — | Windows |
Make your app an alternative to Flent
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Flent alternatives
What is the best alternative to Flent?
LibreSpeed, number 1 in network testing software with a score of 6.7 out of 10. The others here: PingPlotter, TRex, EVE-NG and 16 more.
What is the best free alternative to Flent?
LibreSpeed is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.