Self-hosted / open sourceNetwork & MonitoringHeadquarters: GB

ITRS OP5 Monitor: sovereignty score and 8 European alternatives

ITRS OP5 Monitor is an IT infrastructure monitoring product for on-premises, public cloud and hybrid environments. It offers a single view of the IT estate, SNMP network monitoring, a REST API for automation, distributed scaling, and SLA and availability reporting. According to ITRS's 2018 announcement, OP5 built the technology by enhancing open-source Nagios, Naemon and ELK components. The vendor says the product remains compatible with Nagios plugins.

OP5 was a Stockholm company that ITRS acquired in 2018. According to that announcement, OP5 remains a separate brand and entity, fully owned by ITRS Group. ITRS Group is headquartered in London, according to its website, and has been majority owned by the private equity investor Montagu since 2021. A European organisation should note that the product is now sold under the ITRS brand, that the vendor website does not state data hosting regions, and that a UK group stands behind the product. Deployment on the organisation's own infrastructure keeps monitoring data under its control.

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Sovereignty score

63 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-250
Headquartered outside the EU (GB)
Data residency SOV-3100
No hosting in Europe (OTHER)
Cryptographic key sovereignty SOV-380
Closed source, but self-hostable: encryption keys and runtime under your own control
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-645
Closed source, but self-hostable on your own infrastructure

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 11, 2026

Headquarters	GB (OTHER)Verified by hand
EU adequacy decision	Yes — found adequate by the European CommissionVerified by hand
Data hosting	Self-hosted, e.g. in OTHER (your choice)Verified by hand
Open-source	NoVerified by hand
GDPR-compliant	NoVendor-stated
Category	Network & Monitoring
Type	Product
Website	itrsgroup.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to ITRS OP5 Monitor

The European alternatives to ITRS OP5 Monitor come from our knowledge base of over 8,000 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

45 European Network & Monitoring vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with ITRS OP5 Monitor

ITRS OP5 Monitor is headquartered in GB, outside the EU. Contracts and data therefore also fall under non-European law. The GDPR applies through contractual terms, but in a conflict with local legislation you have less certainty than with a European vendor.

ITRS OP5 Monitor runs on infrastructure you choose and control yourself. You decide where the data lives, including fully within the EU if you want — this is not a fixed hosting choice made by the vendor.

ITRS OP5 Monitor is closed source, but you run the software yourself on your own infrastructure. The encryption keys and the runtime therefore stay under your own control, though you cannot audit or modify the source code. Ask about export options and open standards to limit software-level lock-in.

What this means for your organisation depends on your whole stack and context. The free assessment weighs ITRS OP5 Monitor together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to ITRS OP5 Monitor?

It depends on your use case. Strong EU alternatives to ITRS OP5 Monitor include Akvorado, Centreon and Checkmk. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to ITRS OP5 Monitor?

Yes. Open-source EU alternatives to ITRS OP5 Monitor include Akvorado, Centreon, Checkmk, collectd and Healthchecks.io. These keep your data fully under your own control and let you self-host if you want to.

Is ITRS OP5 Monitor GDPR-compliant and where is the data hosted?

ITRS OP5 Monitor is headquartered in GB (OTHER) and hosts data in OTHER. Its GDPR compliance is limited or unclear. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 11, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Network & Monitoring

Network & Monitoring: Network monitoring, infrastructure monitoring, log management and observability. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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