Workspace comparison · research recorded 2026-10-08

How the NuPaaS workspace compares

A sovereign, open-source workspace suite competes on where the data lives and who can take it with them, not on polish. The honest summary is the one the underlying research reached itself:

The platform workspace is a credible sovereign alternative for small teams that put data control first. It is not yet a like-for-like replacement for Microsoft 365 or Google Workspace.

What the four marks mean

Every cell carries one of four marks. They describe what the research found, not how good a product is.

Yes
A product exists and is in the vendor plans.
Partial
It exists with a known limit.
No
The research found it missing.
Unverified
The research found no primary source.

Commercial model

One platform fee plus metered usage, with no per-seat charge.

No price figure appears on this page.

The matrix

One row per capability category, one column per vendor. Each cell names the mark and the source that backs it.
CapabilityNuPaaS workspaceGoogle WorkspaceMicrosoft 365Nextcloud EnterpriseopenDeskInfomaniak kSuiteProton WorkspaceZoho Workplace
Files and syncPlanned for phase 353No

The workspace catalog ships disabled by compiled default.

platform:files-and-sync

UnverifiedUnverifiedYes

the Enterprise tiers are named Files Standard, Premium and Ultimate

source

Yes

uses Nextcloud for files

source

Yes

kDrive

source

Yes

source

Unverified
MailPlanned for phase 363No

Managed mail ships disabled by compiled default.

platform:mail

UnverifiedUnverifiedUnverifiedYes

Open-Xchange

source

Yes

source

Yes

source

Unverified
Calendar and contactsPlanned for phase 353No

The workspace catalog ships disabled by compiled default.

platform:calendar-and-contacts

UnverifiedUnverifiedYes

Calendar federation, Hub 26 Winter

source

Yes

source

UnverifiedYes

calendar

source

Unverified
ChatPlanned for phase 356No

The workspace catalog ships disabled by compiled default.

platform:chat

UnverifiedUnverifiedYes

Talk, with live transcription from Hub 26 Winter

source

UnverifiedYes

kChat

source

No

no team chat

source

Unverified
Video meetingsPlanned for phase 356No

The workspace catalog ships disabled by compiled default.

platform:video-meetings

UnverifiedUnverifiedPartial

Talk without its high-performance backend handles about 20 users per call

source

Partial

the Swiss pilot found large calls revealed limits

source

Partial

up to 100 participants

source

Partial

up to 250 participants

source

Unverified
Office documentsPlanned for phase 355No

ONLYOFFICE Docs is chosen and undeployed.

platform:office-documents

UnverifiedUnverifiedPartial

Microsoft file formats open with detail deviations

source

UnverifiedPartial

OnlyOffice

source

Partial

no slides tool

source

Unverified
Wiki and knowledgeNo

The workspace app surface ships disabled by compiled default.

platform:wiki-and-knowledge

UnverifiedUnverifiedUnverifiedYes

XWiki

source

UnverifiedUnverifiedUnverified
Tasks and boardsPlanned for phase 352No

The workspace app surface ships disabled by compiled default.

platform:tasks-and-boards

UnverifiedUnverifiedYes

Deck Gantt chart, Hub 26 Spring

source

UnverifiedUnverifiedUnverifiedUnverified
Forms and pollsNo

The workspace app surface ships disabled by compiled default.

platform:forms-and-polls

UnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverified
Whiteboard and diagramsNo

The workspace app surface ships disabled by compiled default.

platform:whiteboard-and-diagrams

UnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverified
Workflow automationNo

The workspace app surface ships disabled by compiled default.

platform:workflow-automation

UnverifiedUnverifiedYes

Flow, top tier

source

UnverifiedUnverifiedUnverifiedUnverified
Git and project managementPlanned for phase 352Partial

Per-organization provisioning; the self-serve source-control surface ships disabled.

platform:git-and-project-management

UnverifiedUnverifiedUnverifiedPartial

OpenProject

source

UnverifiedUnverifiedUnverified
End-to-end encryptionNo

The workspace catalog ships disabled by compiled default.

platform:end-to-end-encryption

UnverifiedUnverifiedYes

browser-managed end-to-end encryption, Hub 26 Winter

source

UnverifiedUnverifiedYes

core feature

source

Unverified
SSO, SAML, LDAP, 2FAPlanned for phase 349Partial

Platform sign-in is live; per-app sign-in readiness is not uniform.

platform:sso-saml-ldap-2fa

UnverifiedUnverifiedUnverifiedYes

Nubus

source

UnverifiedUnverifiedUnverified
Audit, retention, governancePlanned for phase 371No

The owning phase has not run.

platform:audit-retention-governance

UnverifiedUnverifiedYes

Governance tool, Hub 26 Spring

source

UnverifiedUnverifiedUnverifiedUnverified
Built-in AIPlanned for phase 364Partial

Local models are reachable; the assistant surfaces are partial.

platform:built-in-ai

UnverifiedUnverifiedYes

AI Assistant in the top tier

source

UnverifiedUnverifiedUnverifiedUnverified
Outlook and Exchange compatibilityNo

The connector sits in an undeployed tier.

platform:outlook-and-exchange-compatibility

UnverifiedUnverifiedPartial

Exchange connector in the top tier

source

UnverifiedUnverifiedUnverifiedUnverified
EU or Swiss hostingYes

EU infrastructure by construction.

platform:eu-or-swiss-hosting

UnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverified
Open source codeYes

Every managed application is an open-source build.

platform:open-source-code

UnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverifiedUnverified

Who each vendor is

Google Workspace
One of the two US giants; covers every category and bundles AI into its base plans.
Microsoft 365
The other US giant; deepest on office documents, Outlook and Exchange.
Nextcloud Enterprise
Nextcloud GmbH's own paid tier of the open-source suite this platform is built on.
openDesk
The German government suite; Nextcloud for files, Open-Xchange for mail and calendar.
Infomaniak kSuite
A Swiss provider selling mail, drive, chat and meetings under one roof.
Proton Workspace
A Swiss end-to-end-encrypted suite; privacy first, no team chat.
Zoho Workplace
A point-tool suite covering part of the job; not the same buyer.

How to read this page

This comparison is illustrative and directional. Each mark is the competitor report's own research output; this page adds nothing to it and publishes no figure of any kind — the commercial-model row states a shape, not a number. A cell whose row carries no source is shown as Unverified, which means the research found no primary source; it is never a claim that the capability is absent. Nothing here is a guarantee, and every vendor's plans can change.

Want the suite itself? Read what the workspace gives your team.

Nextcloud, ONLYOFFICE, Matrix, Element, Plane, Forgejo, Twenty, Google Workspace, Microsoft 365, openDesk, Infomaniak kSuite, Proton Workspace, Zoho Workplace and all other product names and logos are trademarks of their respective owners. Naming them here identifies the products this page compares and implies no affiliation, sponsorship or endorsement. Each vendor's own licence and terms govern your use of its product. See the Terms of Service.