IONOS
Germany· Cloud Computing
IONOS vs Webswing
Vergelijk IONOS en Webswing op mogelijkheden, rechtsgebied, waarborgen en geschiktheid voor Europese kopers.
Beide vermeld als alternatief voor: Amazon Web Services (AWS), Microsoft Azure
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
Gemarkeerde rijen verschillen tussen de twee producten.
| Kenmerk | IONOS | Webswing |
|---|---|---|
| Land van herkomst | Germany | Ireland |
| Categorie | Cloud Computing | Cloud Computing |
| Open source | Nee | Nee |
| Self-hosted | Nee | Ja |
| Hoofdkantoor | Niet vermeld | Ireland |
| Juridische entiteit | Niet vermeld | WEBSWING LIMITED (Webswing Ltd.), 93 Upper George's Street, Dun Laoghaire, A96 V1K8 Dublin, Ireland |
| Toepasselijk recht | Niet vermeld | Ireland |
| VS-moeder / zeggenschap | Niet vermeld | Geen bekende VS-moeder |
| CLOUD Act-blootstelling (indicatief) | Niet vermeld | Laag |
| EU-hostingstatus | Niet vermeld | Onbekend |
| Hosting / residentie | Niet vermeld | 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. |
| Samenvatting | German hosting and cloud provider (IONOS SE): domains and SMB web hosting plus IONOS Cloud IaaS/PaaS with EU and US locations, managed Kubernetes, object storage, and DBaaS. | Self-hosted platform that runs Java Swing, JavaFX, SWT, NetBeans, and Oracle Forms apps in the browser without rewriting them. |
| Tags |
| In één oogopslag | IONOS | Webswing |
|---|---|---|
| HQ | Niet vermeld | Dublin, Ireland |
| Legal entity | Niet vermeld | WEBSWING LIMITED (CRO 564226) |
| Founded | Niet vermeld | 2015 (Dublin); product lineage from ~2012 |
| License model | Niet vermeld | Commercial + SLA (evaluation available); AGPL only ≤20.2 |
| Deployment | Niet vermeld | Self-hosted (ZIP, Docker, Kubernetes, cluster) |
| UI frameworks | Niet vermeld | Swing, JavaFX, SWT, NetBeans, Applets, Oracle Forms |
IONOS
Diverse Hosting and Domain Services
IONOS provides shared, VPS, dedicated, and cloud hosting options scalable for any need. It registers over 22 million domains and includes a free domain for the first year on many plans. Website builders incorporate AI for quick setups, while eCommerce tools handle online stores. Email integrates with Microsoft 365 or Google Workspace, ensuring reliable communication without third-party dependencies.
Advanced Cloud Infrastructure
The platform offers managed Kubernetes clusters, databases like MongoDB and PostgreSQL, object storage, GPU servers, and an AI Model Hub for machine learning workloads. Data centers achieve Tier IV certification for redundancy. Customers access 99.99% uptime, with options for high-performance computing suited to enterprises running complex applications.
Security, Support, and Sustainability
DDoS protection safeguards sites, complemented by free SSL certificates. Support runs 24/7 via phone, chat, and email, with personal consultants assigned to accounts. All data centers use 100% renewable energy, aligning with IONOS's 2030 Climate Strategy that targets emission cuts through biofuels and supplier partnerships.
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 | IONOS | Webswing |
|---|---|---|
| Independent security / no-logs audit | Niet vermeld | On request / NDA Footer states regular security testing is available upon request; no public independent audit PDF found. |
| ISO 27001 | Niet vermeld | Vendor claimed Site footer: Webswing Limited maintains an ISO/IEC 27001-certified ISMS. Independent cert registry entry not verified in this pass. |
| SOC 2 / SOC 3 | Niet vermeld | Not found No SOC 2/3 claim found on public site pages reviewed. |
| GDPR / EU data protection | Niet vermeld | 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) | Niet vermeld | 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) | Niet vermeld | 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 | Niet vermeld | Not applicable Core product is application delivery/runtime, not an AI system. Prague research affiliate explores AI; not the catalogued product. |
| Considerations & known limitations | IONOS | Webswing |
|---|---|---|
| Higher per-session server resources | Niet vermeld | 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 limits | Niet vermeld | 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 21.1 | Niet vermeld | 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 processors | Niet vermeld | 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 here | Niet vermeld | Low Vendor claims ISO/IEC 27001-certified ISMS on the site footer. Ask for the current certificate and scope before treating it as verified. |
Geschiktheid
IONOS
Best fit when
Niet vermeld
Poor fit when
Niet vermeld
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
IONOS
Niet vermeld
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?