Best TRex Alternatives in 2026
Updated
20 apps from network testing software ranked against TRex on the same published basis.
- 1TRex vs OpenSpeedTest
- 2TRex vs LibreSpeed
- 3TRex vs PingPlotter
- 5TRex vs EVE-NG
- 6TRex vs GNS3
- 7TRex vs Mininet
- 8TRex vs Netperf
- 9TRex vs Netpicker
- 10TRex vs Cisco pyATS
- 11TRex vs Flent
- 12TRex vs Invariant
- 13TRex vs iperf3
- 14TRex vs perfSONAR
- 15TRex vs Batfish
- 16TRex vs iPerf2
- 17TRex vs M-Lab NDT
- 18TRex vs PacketForge
- 19TRex vs Testground
- 20TRex vs MoonGen
- 21TRex vs Ostinato
TRex alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OpenSpeedTest | 6.8 | Free plan | Free | Android, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | LibreSpeed | 6.7 | Free plan | Free | Android, Linux, Mac, self-hosted, Web, Windows |
| 3 | PingPlotter | 6.7 | Free plan | $29/mo | iOS, Linux, Mac, Web, Windows |
| 5 | EVE-NG | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 6 | GNS3 | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 7 | Mininet | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 8 | Netperf | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 9 | Netpicker | 6.5 | Free plan | $625/mo | API, Linux, self-hosted, Web |
| 10 | Cisco pyATS | 6.4 | Free plan | Free | Linux, Mac, self-hosted |
| 11 | Flent | 6.4 | Free plan | Free | Linux, Mac |
| 12 | Invariant | 6.4 | Free plan | Free | API, Web |
| 13 | iperf3 | 6.4 | Free plan | Free | API, Linux, Mac, self-hosted |
| 14 | perfSONAR | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 15 | Batfish | 5.6 | No | — | API, Linux, Mac, self-hosted, Windows |
| 16 | iPerf2 | 5.4 | No | — | Windows, Mac, Linux, Android |
| 17 | M-Lab NDT | 5.3 | No | — | Web, Android |
| 18 | PacketForge | 5.3 | No | — | Web, Windows |
| 19 | Testground | 5.3 | No | — | API, self-hosted |
| 20 | MoonGen | 5.2 | No | — | Linux |
| 21 | Ostinato | 5.2 | No | $12/mo | API, Linux, Mac, self-hosted, Windows |
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Questions about TRex alternatives
What is the best alternative to TRex?
OpenSpeedTest, number 1 in network testing software with a score of 6.8 out of 10. The others here: LibreSpeed, PingPlotter, EVE-NG and 16 more.
What is the best free alternative to TRex?
OpenSpeedTest 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.