Open Source groupware & CRM Software

Check in at the office, anytime and anywhere. Flexible and customizable, always private and secure.
Get started
  • Collaborate

    Collaborate with your team from anywhere with Group-Office groupware. Co-edit documents, schedule meetings and connect using chat or video conferencing.

    Learn more
  • CRM

    Easy management of your contacts, email marketing campaigns and customer support.

    Learn more
  • Finance

    All the tools you need for frictionless sales and finance management.

    Learn more
  • Project Management

    Efficiently store all your projects assets in one place and keep track of worked hours, costs and progress.

    Learn more
  • File Management

    Safely store, search and share files with our file management modules. (Co-)edit files and upload document templates so everyone can work from one place.

    Learn more
  • Studio

    Create your own modules!

    Learn more
Privacy and security

Privacy & Security

Your data is nobody's business. Store data on-premises or at our secure datacenter in The Netherlands. Built using the privacy by design approach, Group-Office is GDPR compliant and secure utilizing industry standard two-factor authentication and encryption.

Complete software

Complete Software

Group-Office offers a complete range of office and business tools which all work together seamlessly and can adapt to any business. We regularly add and update features so Group-Office stays relevant for your business.

Device synchronization

Device Synchronization

Group-Office syncs to native apps on IOS, MacOS, Android and Windows devices. Email, contacts, calendars, notes and tasks all integrate seamlessly with your preferred device OS. Group-Office uses open protocols like IMAP, Microsoft ActiveSync, CalDAV, CardDAV and WebDAV to accomplish this.

Custom tools

Custom Tools

Want to streamline your business processes even further? You can extend Group-Office with your own custom fields and filters, or we can extend Group-Office with custom build tools specific for your business. Get in touch for more info.

Which version is for you?

Group-Office logo

Self hosted

Take full control of your data and customization options by installing Group-Office on you own server.

Group-Office logo


Let us take care of the hosting (99.9% uptime), daily backups, security (SSL) and updates.

Try for free
Twitter LinkedIn GitHub Mastodon