nest54 and Stackfield compared
Both platforms come from Germany and are hosted in Germany. Stackfield focuses on task planning and end-to-end encryption; nest54 focuses on projects with partners, office editing as standard and integration with Microsoft 365.
In short
Stackfield is strong in project planning with Gantt timelines and time tracking, offers optional end-to-end encryption, verified certifications (ISO 27001, BSI C5) and apps for iOS and Android. nest54 includes browser-based office editing without an add-on, syncs calendars and contacts with Microsoft 365 in both directions, connects mailboxes directly, transcribes meetings with consent on its own servers and provides files on Windows as a drive with files on demand. If you require end-to-end encryption or certificates, Stackfield is the better fit today; if you work a lot with Outlook, office documents and external partners, nest54 gives you more out of the box.
nest54 and Stackfield: feature comparison
| Feature | nest54 | Stackfield |
|---|---|---|
| Projects and tasks | ||
| Cross-organisation workspacespartners with their own company account, host principle, two-step consent and trust rules per organisation | available | partial / only in certain plans or with add-on productsexternals and guests in rooms, unlimited externals from Premium; rules per partner organisation not described[1][3] |
| Kanban boards for tasksassignees, due dates, checklists and labels | available | availablecard view (Kanban) for tasks[3] |
| Gantt timeline, dependencies and time trackingnot available in nest54 | not available | availabletimeline view (Gantt), milestones, time tracking[1][3] |
| Custom fields on tasksin nest54 also on files and events | available | availablecustom fields, also on Kanban cards[3][6] |
| Dashboards with charts per projecttiles from boards, calendar, files, chat and connected apps | available | partial / only in certain plans or with add-on products“My week” and project portfolios (from Premium)[3] |
| Ready-made mini-apps for external servicesmore than 20 services such as GitHub, Figma or Jira; open connection via MCP | available | partial / only in certain plans or with add-on productsAPI and webhooks for your own integrations[3][6] |
| Files and documents | ||
| Co-edit office documents in the browsertext documents, spreadsheets and presentations included as standard | available | partial / only in certain plans or with add-on productspaid office add-on from Premium; otherwise preview only[1][5] |
| Desktop app with files on demandWindows Explorer, all organisations in one drive; macOS planned | partial / only in certain plans or with add-on products | not availabledesktop app for the platform; sync as a drive not described[3] |
| Whiteboardsnot available in nest54 | not available | availablereal-time collaboration, from Premium[1][3] |
| Communication and meetings | ||
| Video meetings with guests without an accountin the browser, guest link with waiting room | available | availablefrom Premium, up to 30 people; 1:1 calls in the Business plan[3] |
| Transcription with consent and AI task suggestionsrecognition on own servers, tasks only after approval (transcription from Team plan, AI from Business) | available | not availablenot mentioned in the service description or release notes; AI add-on for texts[3][6] |
| Mailboxes directly in the platformread and send from Microsoft 365 and any IMAP mailbox; file an email as a card or document | available | partial / only in certain plans or with add-on productsforward emails to Stackfield (from Premium)[1][3] |
| Sync calendars and contacts with Microsoft 365in both directions, from Business plan | available | partial / only in certain plans or with add-on productsone-way calendar subscription; native calendar integration planned according to help pages[4] |
| Security and operations | ||
| Hosting in Germany | available | availablestorage in German data centres[2] |
| End-to-end encryptionnest54: encryption with a separate key per organisation (server-side) | not available | availablecan be enabled per room[2][3] |
| ISO 27001 and BSI C5 certificationtargeted for nest54, not yet in place | not available | availableISO 27001 and BSI C5 attestation[1][2] |
| Apps for iOS and Androidnest54 in the mobile browser; app with push notifications planned | not available | available[3] |
| Single sign-onOpenID Connect, SAML 2.0 and SCIM, from Business plan | available | availablein the Enterprise plan[1][3] |
As of October 28, 2026. Information on Stackfield is based on the provider’s publicly available information (see sources). Scope may vary by plan, edition and settings. Please let us know about outdated details at info@nest54.com.
Strengths compared
Where nest54 adds value
- Co-edit office documents in the browser – without an add-on.
- Sync calendars and contacts with Microsoft 365 in both directions; read and send email directly in nest54.
- Transcribe meetings on own servers with each person’s consent; AI task suggestions become cards only after approval.
- Desktop app for Windows with files on demand, and cross-organisation workspaces with consent and trust rules.
Where Stackfield is stronger
- Project planning with Gantt timeline, dependencies, milestones and time tracking.
- End-to-end encryption that can be enabled per room.
- Verified certifications: ISO 27001 and BSI C5 attestation.
- Apps for iOS and Android as well as whiteboards (from Premium).
Frequently asked questions
What is the main difference between nest54 and Stackfield?
Both platforms are hosted in Germany and combine tasks, chat, files and video meetings. Stackfield focuses on project planning and offers end-to-end encryption. nest54 focuses on collaboration between several organisations, office editing in the browser and integration with Microsoft 365 and Outlook.
Does nest54 offer end-to-end encryption like Stackfield?
No. nest54 encrypts files on the server with a separate key per organisation; administrators manage but cannot see content. nest54 does not currently offer end-to-end encryption. Stackfield offers it per room.
Can I keep working with Outlook in nest54?
Yes. From the Business plan you connect your Microsoft account by signing in with Microsoft. You read and send email in nest54, and calendars and contacts are synced in both directions. According to its help pages, Stackfield offers a one-way calendar subscription; a native calendar integration is planned there.
Sources
- Stackfield: Preise und Pläne
- Stackfield: Sicherheit
- Stackfield: Leistungsbeschreibung
- Stackfield-Hilfe: Kalender abonnieren
- Stackfield-Blog: Office-Dokumente live bearbeiten (Add-on, 02.12.2025)
- Stackfield: Release Notes
Stackfield is a trademark of Stackfield GmbH. Microsoft 365 and Outlook are trademarks of Microsoft Corporation.
More comparisons
Start for free or get a personal demo of nest54
Set up your organization and invite your team in two minutes – or let us show you in a personal demo how your team and your partners can work together with nest54.