gridscale vs Webswing

Compare gridscale and Webswing on capabilities, jurisdiction, assurance, and fit for European buyers.

Both listed as alternatives to: Amazon Web Services (AWS), Microsoft Azure

Logo: gridscale

gridscale

Germany· Cloud Computing

Needs review

Shortlist when you need a German GmbH cloud with EU/CH/AT location choice, managed Kubernetes/databases, and Hybrid Core white-label HCI. Skip when you need global hyperscaler coverage or pure lowest-cost VMs—consider Hetzner for cost-sensitive compute or AWS/Azure for worldwide breadth; use OVHcloud parent portfolio when scale across more European regions is the priority.

EU-operated (DE entity)Multi-country EU/CH locationsManaged KubernetesHybrid Core HCIBSI C5 (claimed)OVHcloud group
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Logo: Webswing

Webswing

Ireland· Cloud Computing

Needs review

Shortlist when you must browser-enable an existing Java Swing/JavaFX/SWT/NetBeans or Oracle Forms estate without a rewrite and can run a self-hosted session tier. Skip when you are building a greenfield web UI only, or when the app depends on video, 3D acceleration, or ultra-low-latency graphics. Consider Citrix/VDI or a hyperscaler cloud desktop when you need generic desktop remoting beyond Java UI toolkits.

EU-operatedSelf-hostedISO 27001 (claimed)No-rewrite Java UIOracle Forms capable
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Highlighted rows differ between the two products.

gridscale vs Webswing: Snapshot
FeatureLogo: gridscalegridscaleLogo: WebswingWebswing
Country of originGermanyIreland
CategoryCloud ComputingCloud Computing
Open sourceNoNo
Self-hostedNoYes
HeadquartersGermanyIreland
Legal entitygridscale GmbH, Oskar-Jäger-Straße 173, 50825 Köln (HRB 97235, Amtsgericht Cologne)WEBSWING LIMITED (Webswing Ltd.), 93 Upper George's Street, Dun Laoghaire, A96 V1K8 Dublin, Ireland
Governing lawGerman law (GTC; English GTC for information only—German prevails)Ireland
US parent / controlNo known US parentNo known US parent
CLOUD Act exposure (indicative)MediumLow
EU-hosted statusNot listedUnknown
Hosting / residencyCustomer infrastructure marketed on European Tier 3 locations (Frankfurt multi-AZ, Eichenzell, Hannover, Paderborn, Amsterdam, Gais, Lucerne, Vienna); some Hybrid Core sites partner-operated (hosttech, rhöncloud, BAIONITY, windCORES). Privacy policy also lists US-group ancillary processors: Stripe (payments), Google Analytics/GTM, Microsoft Bing Ads, Meta, LinkedIn; Mautic on-prem DE; Recruitee NL. No public claim that primary VM storage runs on AWS/GCP/Azure.Product runtime is customer-operated (on-prem, customer cloud, Docker, or Kubernetes). Vendor Client Portal and marketing site use listed processors including Google Ireland, Meta Ireland, LinkedIn Ireland, and The Rocket Science Group LLC (US) for email marketing; those apply to vendor website/portal data, not to self-hosted application sessions.
Summary

Cologne-based German IaaS/PaaS and Hybrid Core HCI cloud (OVHcloud group) with European locations, managed Kubernetes, and white-label private cloud options for DACH teams.

Self-hosted platform that runs Java Swing, JavaFX, SWT, NetBeans, and Oracle Forms apps in the browser without rewriting them.

Tags
cloudiaaspaaskuberneteshybrid-cloudhcigerman-clouddata-sovereigntyapi
self-hostedjavadesktop-to-weboracle-formsapplication-modernizationon-premisehtml5ireland
At a glance: gridscale vs Webswing
At a glanceLogo: gridscalegridscaleLogo: WebswingWebswing
HQCologne, GermanyDublin, Ireland
Legal entitygridscale GmbH (HRB 97235)WEBSWING LIMITED (CRO 564226)
ParentOVHcloud (100% since Sept 2023)Not listed
HostingEuropean Tier 3 sites DE/NL/CH/AT (+ partners)Not listed
Commercial modelB2B; trial then per-minute usage meteringNot listed
Open sourceNo (API/IaC clients only)Not listed
FoundedNot listed2015 (Dublin); product lineage from ~2012
License modelNot listedCommercial + SLA (evaluation available); AGPL only ≤20.2
DeploymentNot listedSelf-hosted (ZIP, Docker, Kubernetes, cluster)
UI frameworksNot listedSwing, JavaFX, SWT, NetBeans, Applets, Oracle Forms
Key capabilities: gridscale vs Webswing
Key capabilitiesLogo: gridscalegridscaleLogo: WebswingWebswing
EU-operated (DE entity)YesYes
Multi-country EU/CH locationsYesNot listed
Managed KubernetesYesNot listed
Hybrid Core HCIYesNot listed
BSI C5 (claimed)YesNot listed
OVHcloud groupYesNot listed
Self-hostedNot listedYes
ISO 27001 (claimed)Not listedYes
No-rewrite Java UINot listedYes
Oracle Forms capableNot listedYes

gridscale

  • Panel + API + Terraform provisioning

    Deploy VMs with attached storage in seconds via the control panel or automate with the REST API and common IaC clients (Terraform, Packer). Built for teams that want both click-ops and git-ops without a hyperscaler control-plane learning curve.

  • Managed Kubernetes, databases, and load balancers

    PaaS layers cover managed Kubernetes orchestration plus fully managed databases with audit logs and automatic backups, and managed load balancers for traffic distribution—so app teams avoid running the full stack themselves.

  • S3-compatible object storage and Rocket NVMe storage

    Object storage follows S3-style APIs for backups, archives, and unstructured data, with region choice called out for GDPR-oriented placement. Rocket Storage targets high-IOPS NVMe workloads; not every Hybrid Core location exposes object storage—check the data-center matrix.

  • Per-minute GPU bare-metal for AI/ML

    GPU instances are marketed as dedicated bare-metal performance for AI/ML and data science, with CPU, RAM, and storage included and usage billed by the minute rather than only long-term reserved shapes.

  • Hybrid Core Concierge HCI and white-label cloud

    Fully managed hyperconverged packages combine hardware delivery, installation, remote operations, white-label branding/SAML options, and access to the wider gridscale location ecosystem—aimed at enterprises and hosters building private or partner clouds.

Webswing

  • Browser delivery without rewriting Java UI

    Runs Swing, JavaFX, SWT, NetBeans Platform, Applets, and Oracle Forms in HTML5 browsers over WebSockets with no required source changes. End users need a browser only, not a local JRE or plugin.

  • Customer-controlled self-hosted runtime

    Install from a distribution ZIP or containers on your own servers, VMs, Docker, or Kubernetes. Standalone and Cluster Engine modes cover single-node pilots through multi-node scale-out with admin monitoring.

  • Incremental modernisation beside legacy screens

    Modernisation Framework and JsLink let React, Angular, Vue, Vaadin, or APEX components coexist with Java UI so teams can rewrite modules over time instead of a big-bang cutover.

  • Enterprise auth and session operations

    Pluggable security modules include SAML2, OpenID Connect, Keycloak, LDAP, and custom providers. Admin Console adds session mirror view, recording/playback, logs, and multi-tenant path isolation.

  • Built-in printing, files, and clipboard bridges

    Browser-side printing with preview, isolated upload/download folders, and clipboard integration cover common desktop workflows that break in naive remote-app setups.

Assurance & compliance: gridscale vs Webswing
Assurance & complianceLogo: gridscalegridscaleLogo: WebswingWebswing
Independent security / no-logs audit
Not applicable

IaaS/PaaS provider—not a no-logs VPN product. Request penetration-test or SOC-style reports under NDA if required.

On request / NDA

Footer states regular security testing is available upon request; no public independent audit PDF found.

ISO 27001
Vendor claimed

Vendor compliance pages and chronology claim ISO/IEC 27001; obtain current certificate for verification.

Vendor claimed

Site footer: Webswing Limited maintains an ISO/IEC 27001-certified ISMS. Independent cert registry entry not verified in this pass.

ISO 27017 (cloud security)
Vendor claimed

Compliance page links a certificate PDF download; treat as vendor-published evidence until auditor validates.

Not listed
ISO 27018 (cloud PII)
Vendor claimed

Claimed on compliance/about materials; request current scope.

Not listed
SOC 2 / SOC 3
Not found

No public SOC 2 found; vendor promotes ISAE 3402 SOC 1 Type 2 instead (different standard).

Not found

No SOC 2/3 claim found on public site pages reviewed.

ISAE 3402 SOC 1 Type 2
Vendor claimed

About chronology highlights successful ISAE 3402 SOC 1 Type 2 (incl. January 2025 call-out). Request full report.

Not listed
BSI C5
Vendor claimed

Prominently listed on compliance pages; About chronology pairs C5 with January 2025 certification success. Request current attestation.

Not listed
GDPR / EU data protection
Vendor claimed

German controller (gridscale GmbH); European location marketing; privacy policy under DS-GVO. Confirm DPA and location selection for your processing.

Vendor claimed

Privacy policy names WEBSWING LIMITED as Irish controller under GDPR; FAQ states GDPR alignment for company contact data.

US CLOUD Act exposure (indicative)
Partial

EU entity, no known US parent (OVHcloud France owns group). Customer hosting marketed in EU/CH/AT. Partial because privacy recipient list includes US-group Stripe, Google Analytics/GTM, Microsoft, Meta, LinkedIn for payments/marketing. Not legal advice.

Partial

EU entity with no known US parent; self-hosted runtime keeps sessions on customer infra. Vendor website/portal lists US-group processor The Rocket Science Group LLC (email) plus Google/Meta/LinkedIn Ireland entities for analytics/ads. Not legal advice.

Data processing agreement (B2B)
Vendor claimed

GTC §14.2 requires a separate order-processing contract when gridscale processes personal data for the customer, finalised at latest on contract conclusion. Execute AV/DPA—do not rely on website privacy alone.

Not found

Privacy policy references Art. 28 DPAs with Webswing's own processors; no public customer-facing DPA download found. Request during procurement.

EU AI Act
Not applicable

Infrastructure cloud; not an AI system product. GPU capacity may host customer AI workloads under shared-responsibility model.

Not applicable

Core product is application delivery/runtime, not an AI system. Prague research affiliate explores AI; not the catalogued product.

Trusted Cloud (DE)
Vendor claimed

Compliance page links Trusted Cloud service listing; verify current entry on trusted-cloud.de.

Not listed
Considerations & known limitations: gridscale vs Webswing
Considerations & known limitationsLogo: gridscalegridscaleLogo: WebswingWebswing
Parent-group integration after OVHcloud acquisition
Medium

100% OVHcloud ownership since 2023 may change roadmap, tooling, support model, or cross-entity data flows over time. Confirm entity, subcontractors, and exit terms for your contract generation.

Not listed
Partner-operated Hybrid Core locations
Medium

Some sites are operated with partners (hosttech, rhöncloud, BAIONITY, windCORES, etc.). Capability matrices differ (for example object storage not everywhere). Map exact location codes to SLA and subprocessor wording.

Not listed
US-group ancillary processors (account/marketing)
Medium

Privacy policy lists Stripe, Google Analytics/GTM, Microsoft Bing Ads, Meta, and LinkedIn. Material for DPIAs even when VM disks stay in EU halls. Ask which tools touch production account identities versus marketing only.

Not listed
Certifications need current attestation packs
Low

BSI C5, ISAE 3402, and ISO claims are vendor-published. Production security reviews should obtain dated reports rather than relying on marketing badges alone.

Not listed
Narrower global footprint than hyperscalers
Low

Location set is European-weighted. Unsuitable as a drop-in for multi-continent latency or hyperscaler-only services (global CDN marketplaces, specialized managed services).

Not listed
Higher per-session server resourcesNot listed
Medium

Docs state each browser session needs more server CPU/memory than a native web app. Capacity planning and Cluster Engine matter for large concurrent user counts.

Video, 3D, and low-latency limitsNot listed
Medium

Official overview: video not supported, limited sound, no 3D hardware acceleration, poor fit for real-time action games due to rendering latency.

Proprietary licensing since 21.1Not listed
Low

Current releases require commercial license + SLA. AGPL/public source stopped after 20.2. Source access for licensed customers is via Client Portal rather than a public repo.

Vendor portal/marketing US-group processorsNot listed
Low

Privacy policy lists The Rocket Science Group LLC and major ad/analytics vendors for website/portal data. Irrelevant to on-prem session pixels, but relevant if you put sensitive personal data only into vendor portals.

ISO 27001 not independently verified hereNot listed
Low

Vendor claims ISO/IEC 27001-certified ISMS on the site footer. Ask for the current certificate and scope before treating it as verified.

Fit

gridscale

Best fit when

  • DACH mid-market teams wanting German contracting plus managed PaaS (Kubernetes, databases, load balancers)
  • MSPs and hosters needing white-label branding, multi-tenant accounts, and optional Hybrid Core hardware
  • Workloads that must pick DE/NL/CH/AT regions with Tier 3 marketing claims and green-energy positioning
  • AI/ML or data-science jobs that need GPU bare-metal with per-minute metering
  • Buyers who value panel + API/Terraform over hyperscaler IAM sprawl

Poor fit when

  • Global multi-region applications that need hyperscaler edge, marketplace services, or non-European regions
  • Teams optimising only for lowest bare VM or dedicated-server unit cost (evaluate Hetzner first)
  • Buyers requiring public SOC 2 Type II specifically rather than ISAE 3402 SOC 1 Type 2 / BSI C5 packs
  • Organisations that forbid any US-group ancillary processors (Stripe/Google marketing tools appear in the privacy recipient list)

Consider instead when

  • When: You need the broader European hyperscale portfolio and more regions under one group brand

    Consider: OVHcloud

    OVHcloud is the parent group; gridscale stays the HCI/panel-focused product line

  • When: Cost-sensitive VMs or dedicated servers dominate and you do not need Hybrid Core white-label

    Consider: Hetzner

    Hetzner typically wins raw price/performance for simple compute

  • When: France-centric developer cloud with different location and product skew

    Consider: Scaleway

    Compare ARM options and FR footprint versus gridscale DACH Hybrid Core

  • When: Swiss-rooted EU cloud positioning is the primary evaluation criterion

    Consider: Exoscale

    Still compare DE/CH site maps and managed service depth side by side

  • When: You need worldwide regions, marketplace depth, or US-public-sector cloud programmes

    Consider: Amazon Web Services (AWS) or Microsoft Azure

    Trade EU-entity simplicity for hyperscaler breadth and US ownership path

Webswing

Best fit when

  • Enterprises and ISVs with production Swing, JavaFX, SWT, NetBeans, or Oracle Forms applications that must become browser-accessible without a rewrite
  • Teams that can operate a self-hosted Webswing tier (on-prem, VM, Docker, or Kubernetes) and size CPU/memory per concurrent session
  • Organisations planning incremental UI modernisation (React/Angular/Vue/APEX) while keeping proven Java screens online
  • Buyers who want Irish/EU contracting (WEBSWING LIMITED) and customer-controlled residency for application sessions
  • Public-sector or regulated estates retiring endpoint Java installs or reducing Citrix/VDI dependency for Forms/Swing only

Poor fit when

  • Greenfield products with no existing Java desktop or Forms UI to preserve
  • Multimedia, video, 3D-accelerated, or real-time action-game style interfaces (documented limitations)
  • Teams unwilling to run and scale a server-side session farm for interactive users
  • Buyers who require OSI-approved open source for the current release line (proprietary since 21.1)

Consider instead when

  • When: You need generic Windows/Linux desktop remoting rather than Java UI toolkit remoting

    Consider: Citrix / enterprise VDI, or Microsoft Azure Virtual Desktop

    Webswing FAQ positions itself as a narrower alternative to Citrix for Forms/Java estates.

  • When: You are rewriting the UI entirely and have no need to keep Swing/Forms screens running

    Consider: Native web frameworks (React, Angular, Vue) or Oracle APEX without a Webswing bridge

    Webswing's Modernisation Framework is for coexistence during migration, not a mandatory layer for new UIs.

  • When: You want a hyperscaler-managed browser app streaming control plane

    Consider: AWS AppStream / WorkSpaces-class services or Azure cloud desktop offerings

    Trade self-hosted EU software control for managed cloud operations.

Open questions for due diligence

gridscale

  • Will gridscale execute your template AV/DPA and attach a location-specific subprocessor list for the regions you enable?
  • What is the current scope and report date for BSI C5 and ISAE 3402 SOC 1 Type 2 covering the services you will buy?
  • Which privacy-policy third parties process production account/identity data versus website marketing only?
  • How are OVHcloud group affiliates involved in support, billing, or platform operations for gridscale customers post-acquisition?
  • For Hybrid Core partner sites, who is the data-center operator of record and what audit rights apply?

Webswing

  • Will Webswing provide the current ISO 27001 certificate PDF and statement of applicability scope?
  • Is a customer DPA available for Client Portal / support data processing, and which subprocessors apply to licensed customers?
  • Where is portal.webswing.org physically hosted, and are any non-EU regions used for backups?
  • For your Forms/Swing edge cases (WebUtil, local devices, printers), which patterns are supported without code changes?