Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard

Best Invariant Alternatives in 2026

Updated

20 tools from network testing software ranked against Invariant on the same published basis.

  1. 1
    PingPlotter Free plan iOSLinuxMacWebWin $29/mo8.0
    Invariant vs PingPlotter
  2. 2
    OpenSpeedTest Free plan AndroidiOSLinuxMacself-hosted Free7.8
    Invariant vs OpenSpeedTest
  3. 3
    LibreSpeed Free plan AndroidLinuxMacself-hostedWeb Free7.6
    Invariant vs LibreSpeed
  4. 4
    TRex Free plan apiLinuxMacself-hostedWeb Free7.6
    Invariant vs TRex
  5. 5
    EVE-NG Free plan LinuxMacself-hostedWebWin Free7.4
    Invariant vs EVE-NG
  6. 6
    GNS3 Free plan LinuxMacself-hostedWebWin Free7.2
    Invariant vs GNS3
  7. 7
    Mininet Free plan apiLinuxMacself-hostedWin Free7.2
    Invariant vs Mininet
  8. 8
    Ostinato Free trial apiLinuxMacself-hostedWin $12/mo7.2
    Invariant vs Ostinato
  9. 9
    Netperf Free plan LinuxMacWin Free7.1
    Invariant vs Netperf
  10. 10
    Netpicker Free plan apiLinuxself-hostedWeb $625/mo7.1
    Invariant vs Netpicker
  11. 11
    Cisco pyATS Free plan LinuxMacself-hosted Free7.0
    Invariant vs Cisco pyATS
  12. 12
    Flent Free plan LinuxMac Free7.0
    Invariant vs Flent
  13. 13
    Batfish apiLinuxMacself-hostedWin 6.9
    Invariant vs Batfish
  14. 15
    iperf3 Free plan apiLinuxMacself-hosted Free6.9
    Invariant vs iperf3
  15. 16
    IP Fabric Free trial apiLinuxself-hostedWeb 6.8
    Invariant vs IP Fabric
  16. 17
    perfSONAR Free plan apiLinuxself-hosted Free6.6
    Invariant vs perfSONAR
  17. 18
    NetBeez LinuxMacWebWin 6.4
    Invariant vs NetBeez
  18. 19
    iPerf2 WinMacLinuxAndroid 6.2
    Invariant vs iPerf2
  19. 20
    Tessabyte WinMacLinuxiOS 6.2
    Invariant vs Tessabyte
  20. 21
    M-Lab NDT WebAndroid 6.1
    Invariant vs M-Lab NDT

Invariant alternatives compared

#ToolScoreFree planFromRuns on
1PingPlotter8.0Free plan$29/moiOS, Linux, Mac, Web, Windows
2OpenSpeedTest7.8Free planFreeAndroid, iOS, Linux, Mac, self-hosted, Web, Windows
3LibreSpeed7.6Free planFreeAndroid, Linux, Mac, self-hosted, Web, Windows
4TRex7.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5EVE-NG7.4Free planFreeLinux, Mac, self-hosted, Web, Windows
6GNS37.2Free planFreeLinux, Mac, self-hosted, Web, Windows
7Mininet7.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
8Ostinato7.2No$12/moAPI, Linux, Mac, self-hosted, Windows
9Netperf7.1Free planFreeLinux, Mac, Windows
10Netpicker7.1Free plan$625/moAPI, Linux, self-hosted, Web
11Cisco pyATS7.0Free planFreeLinux, Mac, self-hosted
12Flent7.0Free planFreeLinux, Mac
13Batfish6.9No—API, Linux, Mac, self-hosted, Windows
15iperf36.9Free planFreeAPI, Linux, Mac, self-hosted
16IP Fabric6.8No—API, Linux, self-hosted, Web
17perfSONAR6.6Free planFreeAPI, Linux, self-hosted
18NetBeez6.4No—Linux, Mac, Web, Windows
19iPerf26.2No—Windows, Mac, Linux, Android
20Tessabyte6.2No—Windows, Mac, Linux, iOS
21M-Lab NDT6.1No—Web, Android
Make your tool an alternative to Invariant

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about Invariant alternatives

What is the best alternative to Invariant?

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 Invariant?

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.