Category: Network & Firewall Management
8 European alternatives to Deciso OPNsense — GDPR-compliant & EU-hosted.
Dutch; open source firewall and routing platform (OPNsense), with commercial appliances and support.
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Facts
- Headquarters
- NL (EU)
- Sovereignty model
- Open-source, distributed
- Category
- Network & Firewall Management
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- Yes
- Data hosting
- EU
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".
- Security page / trust center
- opnsense.org/privacy-en-cookies/
Provenance of the links above:Vendor-stated
Links checked on September 23, 2026.
Technical hosting signal
Independently established via a DNS/network lookup (not information from the vendor itself). This shows which network currently serves this vendor's website — often a CDN — so it does not necessarily reflect where the actual service or data is hosted.
- Network
- LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL (NL)
Provenance:Technically measured
Sovereignty profile of Deciso OPNsense
How this vendor scores on the five dimensions of the Digital Sovereignty Heatmap: 0 is sovereign, 100 is high exposure. These are the same scores the assessment uses.
| Jurisdictional exposure (JES) | Headquartered in the EU: European law applies | 0 |
|---|---|---|
| Data residency (DRS) | EU-only hosting | 0 |
| Cryptographic key sovereignty (CKS) | Self-hostable: encryption keys under your own control | 10 |
| Platform lock-in (PLS) | Open source: low switching costs | 20 |
| Source & runtime sovereignty (SRS) | Source code auditable, forkable and self-hostable | 0 |
| Average | 6 |
Why digital sovereignty matters with Deciso OPNsense
Deciso OPNsense is headquartered in NL and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.
Data is hosted exclusively in the EU, so Deciso OPNsense scores best on data residency.
Deciso OPNsense is open source. You can audit the source code, self-host the software and keep the encryption keys under your own control. Switching is easier because data and software are not tied to a single party.
What this means for your organisation depends on your whole stack and context. The free assessment weighs Deciso OPNsense together with your other vendors and gives a total score, a heatmap and the main risk drivers.
Top EU-based & GDPR-compliant alternatives to Deciso OPNsense
The European alternatives to Deciso OPNsense come from our knowledge base of over 3,600 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.
- Alcatel-Lucent Enterprise↗
French; owned by China's Huaxin; switches, Wi-Fi and network management (OmniVista) for enterprises.
FR · commercial
- Allegro Packets↗
German; hardware network analysis and monitoring appliances (Network Multimeter) for troubleshooting.
DE · commercial
- Clavister NetShield↗
Swedish; next-gen firewalls for data centers and telecom networks, as appliance or virtual machine.
SE · commercial
- EfficientIP SOLIDserver↗
French; DDI platform (DNS, DHCP, IPAM) with DNS security; owned by US private-equity firm Francisco Partners since 2026.
FR · commercial
- Ekinops OneAccess↗
French (publicly listed); enterprise routers and SD-WAN appliances under the OneAccess brand.
FR · commercial
- Endian UTM↗
Italian; Unified Threat Management firewalls with open source origins (Endian Firewall).
IT · open-source
- Atoll (Forsk)↗
French software (Forsk, Blagnac near Toulouse) for radio planning and optimisation of 2G–5G mobile networks, used by hundreds of operators.
FR · commercial
- genua genucenter / genugate↗
German; highly-certified firewalls and VPN gateways for government and critical infrastructure, on-prem.
DE · commercial
Frequently asked questions
What is the best European alternative to Deciso OPNsense?
It depends on your use case. Strong EU alternatives to Deciso OPNsense include Alcatel-Lucent Enterprise, Allegro Packets and Clavister NetShield. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.
Are there open-source alternatives to Deciso OPNsense?
Yes. Open-source EU alternatives to Deciso OPNsense include Endian UTM. These keep your data fully under your own control and let you self-host if you want to.
Is Deciso OPNsense GDPR-compliant and where is the data hosted?
Deciso OPNsense is headquartered in NL (EU) and hosts data in EU. It is also open-source, so you can self-host it. That makes Deciso OPNsense an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.
Digital sovereignty in Network & Firewall Management
Network & Firewall Management: Central management of firewalls, switches and Wi-Fi, network access control (NAC), load balancing and DNS/DHCP/IPAM. 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.
Also in this category
How sovereign is your whole stack?
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