Best Invariant Alternatives in 2026
Updated
20 apps from network testing software ranked against Invariant on the same published basis.
- 1Invariant vs OpenSpeedTest
- 2Invariant vs LibreSpeed
- 3Invariant vs PingPlotter
- 4Invariant vs TRex
- 5Invariant vs EVE-NG
- 6Invariant vs GNS3
- 7Invariant vs Mininet
- 8Invariant vs Netperf
- 9Invariant vs Netpicker
- 10Invariant vs Cisco pyATS
- 11Invariant vs Flent
- 13Invariant vs iperf3
- 14Invariant vs Pktgen-DPDK
- 15Invariant vs perfSONAR
- 16Invariant vs Batfish
- 17Invariant vs iPerf2
- 18Invariant vs M-Lab NDT
- 19Invariant vs PacketForge
- 20Invariant vs Testground
- 21Invariant vs MoonGen
Invariant 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 |
| 4 | TRex | 6.7 | Free plan | Free | API, Linux, Mac, self-hosted, 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 |
| 13 | iperf3 | 6.4 | Free plan | Free | API, Linux, Mac, self-hosted |
| 14 | Pktgen-DPDK | 6.4 | Free plan | Free | Linux, self-hosted |
| 15 | perfSONAR | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 16 | Batfish | 5.6 | No | — | API, Linux, Mac, self-hosted, Windows |
| 17 | iPerf2 | 5.4 | No | — | Windows, Mac, Linux, Android |
| 18 | M-Lab NDT | 5.3 | No | — | Android, iOS, Web |
| 19 | PacketForge | 5.3 | No | — | Web, Windows |
| 20 | Testground | 5.3 | No | — | API, self-hosted |
| 21 | MoonGen | 5.2 | No | — | Linux |
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Questions about Invariant alternatives
What is the best alternative to Invariant?
OpenSpeedTest, number 1 in network testing software with a score of 6.8 out of 10. The others here: LibreSpeed, PingPlotter, TRex and 16 more.
What is the best free alternative to Invariant?
OpenSpeedTest is the best-ranked alternative with a free plan. 14 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.