Best Icinga Alternatives in 2026

Updated October 2026

20 platforms from hardware monitoring software ranked against Icinga on the same published basis.

1
Paessler PRTG Network Monitor Free plan AndroidapiiOSLinuxMac $16.67/mo8.0
Icinga vs Paessler PRTG Network Monitor
2
Netdata Free plan AndroidiOSLinuxMacself-hosted $4.50/mo7.9
Icinga vs Netdata
3
NetXMS Free plan AndroidapiLinuxMacself-hosted Free7.9
Icinga vs NetXMS
4
Centreon Free plan apiLinuxself-hostedWebWin €0.19/mo7.8
Icinga vs Centreon
5
ManageEngine OpManager Free plan AndroidapiiOSLinuxself-hosted $7.92/mo7.8
Icinga vs ManageEngine OpManager
6
Checkmk Free plan apiLinuxMacself-hostedWeb $275/mo7.7
Icinga vs Checkmk
8
HWMonitor Free plan AndroidWin Free7.5
Icinga vs HWMonitor
9
Nagios XI Free plan apiLinuxself-hostedWeb Free7.5
Icinga vs Nagios XI
10
Pokesensor Free plan LinuxMacWin $5/mo7.2
Icinga vs Pokesensor
11
smartmontools Free plan LinuxMacWin Free7.1
Icinga vs smartmontools
12
Supermicro SuperDoctor 5 Free plan LinuxWin Free7.1
Icinga vs Supermicro SuperDoctor 5
13
Zabbix Free trial apiLinuxMacself-hostedWeb 7.1
Icinga vs Zabbix
14
LibreNMS Free plan AndroidapiiOSLinuxself-hosted Free7.0
Icinga vs LibreNMS
15
Glances Free plan AndroidapiLinuxMacself-hosted Free6.9
Icinga vs Glances
16
Macs Fan Control Free plan MacWin Free6.9
Icinga vs Macs Fan Control
17
GKrellM Free plan LinuxMacWin Free6.8
Icinga vs GKrellM
18
NVIDIA Data Center GPU Manager Free plan apiLinuxself-hosted Free6.8
Icinga vs NVIDIA Data Center GPU Manager
19
PA File Sight Free trial AndroidapiiOSLinuxself-hosted $30/mo6.8
Icinga vs PA File Sight
20
AccuBattery Free plan Android Free6.6
Icinga vs AccuBattery
21
Core Temp AndroidWin 6.6
Icinga vs Core Temp

Icinga alternatives compared

#	Platform	Score	Free plan	From	Runs on
1	Paessler PRTG Network Monitor	8.0	Free plan	$16.67/mo	Android, API, iOS, Linux, Mac, self-hosted, Web, Windows
2	Netdata	7.9	Free plan	$4.50/mo	Android, iOS, Linux, Mac, self-hosted, Web, Windows
3	NetXMS	7.9	Free plan	Free	Android, API, Linux, Mac, self-hosted, Web, Windows
4	Centreon	7.8	Free plan	€0.19/mo	API, Linux, self-hosted, Web, Windows
5	ManageEngine OpManager	7.8	Free plan	$7.92/mo	Android, API, iOS, Linux, self-hosted, Web, Windows
6	Checkmk	7.7	Free plan	$275/mo	API, Linux, Mac, self-hosted, Web, Windows
8	HWMonitor	7.5	Free plan	Free	Android, Windows
9	Nagios XI	7.5	Free plan	Free	API, Linux, self-hosted, Web
10	Pokesensor	7.2	Free plan	$5/mo	Linux, Mac, Windows
11	smartmontools	7.1	Free plan	Free	Linux, Mac, Windows
12	Supermicro SuperDoctor 5	7.1	Free plan	Free	Linux, Windows
13	Zabbix	7.1	No	—	API, Linux, Mac, self-hosted, Web, Windows
14	LibreNMS	7.0	Free plan	Free	Android, API, iOS, Linux, self-hosted, Web
15	Glances	6.9	Free plan	Free	Android, API, Linux, Mac, self-hosted, Web, Windows
16	Macs Fan Control	6.9	Free plan	Free	Mac, Windows
17	GKrellM	6.8	Free plan	Free	Linux, Mac, Windows
18	NVIDIA Data Center GPU Manager	6.8	Free plan	Free	API, Linux, self-hosted
19	PA File Sight	6.8	No	$30/mo	Android, API, iOS, Linux, self-hosted, Windows
20	AccuBattery	6.6	Free plan	Free	Android
21	Core Temp	6.6	No	—	Android, Windows

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Questions about Icinga alternatives

What is the best alternative to Icinga?

Paessler PRTG Network Monitor, number 1 in hardware monitoring software with a score of 8.0 out of 10. The others here: Netdata, NetXMS, Centreon and 16 more.

What is the best free alternative to Icinga?

Paessler PRTG Network Monitor is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.