Group-Office
🇳🇱 NL · Free plan · paid from €219/yr
Open-source groupware and CRM for teams
EU hostedGDPROpen sourceFree plan
Group-Office is a Dutch open-source groupware and CRM suite. It combines email, calendar, tasks, file sharing, projects, time tracking and support ticketing in one platform. The hosted service runs on servers in the Netherlands, and a free self-hosted Community edition is available.
Features
Email and collaboration
- Shared calendars with recurring events and reminders
- Team file sharing
- Team chat via Rocket.Chat integration
- Video conferencing via Rocket.Chat integration
Contacts, CRM and support
- Contact and address-book management
- CRM capabilities
- Support ticket management
Projects and work tracking
- Project and task management
- Kanban boards with tasks, projects and support tickets as cards
Files and documents
- Shared file management
- Desktop access via WebDAV
- Browser-based document editing via supported office integrations
- Document search as an add-on
Billing and finance
- Quotes, orders and invoices
- Expenses and income/expense reports
- Online payment provider integrations
Sync and access
- Sync for email, contacts, calendars, notes and tasks
- Supported protocols: IMAP, Microsoft ActiveSync, CalDAV, CardDAV, WebDAV
Authentication and security
- OTP two-factor authentication
- IP-based access restrictions
- LDAP or IMAP authentication
Pricing
Community
Free
- Self-hosted
- Basic features
Professional
€439 perpetual license for 1–100 users
- Self-hosted
- Full feature set
- Updates available as add-on
Updates on Professional features
€219 per year
- Annual updates for Professional features
Billing add-on
€219
- Quotes, orders, invoices and expense reports
Document Search add-on
€299
- Full-text search for documents
Server support service contract
€600
- Server support
Email service contract
€299
- Email service support
Chat & Video Calls service contract
€299
- Chat and video calls support
Document Editor service contract
€300
- Browser-based document editing support
Online hosted pricing not specified in official sources. 30-day free trial available for Online.
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Reviews
Recurring themes, synthesized from public reviews across portals.
What users value
- Integrated groupware with calendars, email, contacts, files, tasks and projects in one suite
- Sophisticated calendar with invitations, availability checks and CalDAV sync
- Intuitive and user-friendly interface once configured
- Mature project module with invoicing support
- Responsive professional support for paid versions
Where users see room to improve
- · Core CRM features locked behind paid per-user modules
- · Email server configuration reported as difficult and unreliable for some users
- · Limited community support resources
Integrations
Collabora OnlineOnlyOfficeMicrosoft Office 365Microsoft Office OnlineThinkFree OfficeGoogle DriveRocket.ChatPayPalMollieMultiSafePayIMAPMicrosoft ActiveSyncCalDAVCardDAVWebDAVICS calendar feedsLDAPLet’s Encrypt+1
Group-Office: frequently asked questions
- How much does Group-Office cost?
- Group-Office has a free plan; paid plans start at €219/yr. Plans: Professional (€439/user), Updates on Professional features (€219/yr), Billing add-on (€219), Document Search add-on (€299), Server support service contract (€600), Email service contract (€299), Chat & Video Calls service contract (€299), Document Editor service contract (€300). Online hosted pricing not specified in official sources. 30-day free trial available for Online.
- Which tools does Group-Office integrate with?
- Group-Office connects with Collabora Online, OnlyOffice, Microsoft Office 365, Microsoft Office Online, ThinkFree Office, Google Drive, Rocket.Chat and PayPal, plus 11 more integrations we found.
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Feature, pricing and integration details are based on web research (as of 2026-10-15), without guarantee, errors are possible. The vendor's website prevails.