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Best Big Sister Alternatives in 2026

Updated

20 tools from network monitoring ranked against Big Sister on the same published basis.

  1. 1
    Obkio Free plan AndroidapiiOSLinuxMac Free8.2
    Big Sister vs Obkio
  2. 2
    Paessler PRTG Network Monitor Free plan AndroidapiiOSLinuxMac $16.67/mo8.1
    Big Sister vs Paessler PRTG Network Monitor
  3. 3
    ManageEngine OpManager Free plan AndroidapiiOSLinuxself-hosted $7.92/mo7.9
    Big Sister vs ManageEngine OpManager
  4. 4
    NetXMS Free plan AndroidapiLinuxMacself-hosted Free7.9
    Big Sister vs NetXMS
  5. 5
    Centreon Free plan apiLinuxself-hostedWebWin €0.19/mo7.8
    Big Sister vs Centreon
  6. 6
    SoftPerfect Bandwidth Manager Free plan LinuxMacWin Free7.8
    Big Sister vs SoftPerfect Bandwidth Manager
  7. 7
    Checkmk Free plan apiLinuxMacself-hostedWeb $275/mo7.7
    Big Sister vs Checkmk
  8. 8
    Domotz Free trial AndroidapiiOSLinuxMac $1.50/mo7.7
    Big Sister vs Domotz
  9. 9
    Fing Security Free plan AndroidapiiOSLinuxMac $5.83/mo7.7
    Big Sister vs Fing Security
  10. 10
    Site24x7 Network Monitoring Free trial AndroidapiiOSLinuxMac $42/mo7.6
    Big Sister vs Site24x7 Network Monitoring
  11. 11
    EMCO Ping Monitor Free plan WebWin Free7.4
    Big Sister vs EMCO Ping Monitor
  12. 12
    ntopng Free plan apiLinuxMacself-hostedWeb Free7.4
    Big Sister vs ntopng
  13. 13
    WhatsUp Gold Free trial apiself-hostedWebWin $72.17/mo7.4
    Big Sister vs WhatsUp Gold
  14. 14
    Ganglia Free plan LinuxMacself-hostedWebWin Free7.3
    Big Sister vs Ganglia
  15. 15
    WhatsUp Gold Free plan apiself-hostedWebWin Free7.3
    Big Sister vs WhatsUp Gold
  16. 16
    Zabbix Free trial apiLinuxMacself-hostedWeb 7.3
    Big Sister vs Zabbix
  17. 17
    Catchpoint Internet Performance Monitoring AndroidapiextensioniOSMac 7.2
    Big Sister vs Catchpoint Internet Performance Monitoring
  18. 18
    FastNetMon Free trial apiLinuxMacself-hostedWeb $60/mo7.2
    Big Sister vs FastNetMon
  19. 19
    GlassWire Free plan AndroidWebWin $2.99/mo7.2
    Big Sister vs GlassWire
  20. 20
    Intermapper Free trial apiLinuxMacself-hostedWeb 7.2
    Big Sister vs Intermapper

Big Sister alternatives compared

#ToolScoreFree planFromRuns on
1Obkio8.2Free planFreeAndroid, API, iOS, Linux, Mac, Web, Windows
2Paessler PRTG Network Monitor8.1Free plan$16.67/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
3ManageEngine OpManager7.9Free plan$7.92/moAndroid, API, iOS, Linux, self-hosted, Web, Windows
4NetXMS7.9Free planFreeAndroid, API, Linux, Mac, self-hosted, Web, Windows
5Centreon7.8Free plan€0.19/moAPI, Linux, self-hosted, Web, Windows
6SoftPerfect Bandwidth Manager7.8Free planFreeLinux, Mac, Windows
7Checkmk7.7Free plan$275/moAPI, Linux, Mac, self-hosted, Web, Windows
8Domotz7.7$1.50/moAndroid, API, iOS, Linux, Mac, Web, Windows
9Fing Security7.7Free plan$5.83/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
10Site24x7 Network Monitoring7.6$42/moAndroid, API, iOS, Linux, Mac, Web, Windows
11EMCO Ping Monitor7.4Free planFreeWeb, Windows
12ntopng7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
13WhatsUp Gold7.4$72.17/moAPI, self-hosted, Web, Windows
14Ganglia7.3Free planFreeLinux, Mac, self-hosted, Web, Windows
15WhatsUp Gold7.3Free planFreeAPI, self-hosted, Web, Windows
16Zabbix7.3API, Linux, Mac, self-hosted, Web, Windows
17Catchpoint Internet Performance Monitoring7.2Android, API, Browser, iOS, Mac, Web, Windows
18FastNetMon7.2$60/moAPI, Linux, Mac, self-hosted, Web
19GlassWire7.2Free plan$2.99/moAndroid, Web, Windows
20Intermapper7.2API, Linux, Mac, self-hosted, Web, Windows
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Questions about Big Sister alternatives

What is the best alternative to Big Sister?

Obkio, number 1 in network monitoring with a score of 8.2 out of 10. The others here: Paessler PRTG Network Monitor, ManageEngine OpManager, NetXMS and 16 more.

What is the best free alternative to Big Sister?

Obkio 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.