Quick answer
Group-Office is a free, open source project in the “Sales & General CRM” group, built with PHP, MySQL/MariaDB. It is released under AGPL-3.0, has 282 GitHub stars, and its repository was last updated in Oct 2026. You can self-host it on your own server. An official hosted or managed option exists: Intermesh's cloud. Verified 14 October 2026.
Sales & General CRM
Group-Office
Groupware and CRM platform with email, calendar and contacts.
GitHub stars
282
Last repo update
Oct 2026
License
AGPL-3.0
Technology
PHP, MySQL/MariaDB
What is Group-Office?
Group-Office combines shared email, calendars, files and contacts with CRM-style tracking in a single self-hosted workspace.
Highlights
- Email, calendar and files
- Contact and deal tracking
- Self-hosted workspace
- AGPL-3.0
Best for
Small organisations that want groupware and CRM together.
Check before you commit
Some modules and support plans are commercial. Check which features you need.
Self-Hosted (Open Source Edition)
Install on your own server • No per-user software fee • Full control & privacy
Self-Host on My Server →Use Intermesh's cloud
The maintainer, Intermesh, also offers a secure cloud version.
See hosted option →🏠 Self-Hosted Version
You download the source code and run it on your own server or VPS (for example Hostinger, AWS or DigitalOcean).
Installation
This is the source checkout from the official README. Follow the project documentation for the web server, database and installer steps.
Open the official install guide →
Requirements: PHP and MySQL/MariaDB on a web server.
Commands above come from the project's own documentation (checked 14 October 2026). Versions change, so confirm against the official guide before running anything on a production server.
Need a server to host it?
Most PHP and MySQL apps can run on ordinary web hosting, as long as the plan offers the PHP version and extensions the project requires. Check the requirements first. If you need more control, a VPS is the safer choice. Hostinger offers both shared web hosting and VPS plans.
Affiliate disclosure: this is an affiliate link. If you buy through it we may earn a commission at no extra cost to you. CRMs are listed independently of any hosting partner. Learn more.
Before real customers go in: read the security and backup checklist →
☁️ Intermesh's cloud
The maintainer, Intermesh, also offers a secure cloud version.
Visit Intermesh's cloud →How to start:
- Open the official page above.
- Compare the plans and what each one includes.
- Check that you can export your data before you move in.
- Invite your team once you are happy.
Pricing
We do not quote prices here because they change often. See the current plans on the official site.
Self-Hosted vs Intermesh's cloud
| Factor | Self-Hosted | Intermesh's cloud |
|---|---|---|
| Cost | No software fee for the open edition. You pay for hosting. | Plan price set by the provider. See their site. |
| Data privacy & control | Data stays on your server. | Data lives on the provider's servers. |
| Maintenance | You install updates and run backups. | The provider handles it. |
| Best for | Teams with a developer or sysadmin, and data-sensitive companies. | Teams who want a fast start and no server work. |
No technical person on the team
→ Start with Intermesh's cloud
Avoid running a server you cannot maintain.
Team with a developer or sysadmin
→ Self-Hosted
Lower running cost and full customization.
Data-sensitive or regulated work
→ Self-Hosted on your own server
You decide where data lives and who can access it.
Alternatives to Group-Office
Krayin CRM
Free, open source CRM built with Laravel for SMEs and enterprises.
24k • MIT
SuiteCRM
Mature, enterprise-grade open source CRM with a huge community.
5.8k • AGPL-3.0
Fat Free CRM
Simple, lightweight Ruby on Rails CRM with no bloat.
3.6k • MIT
EspoCRM
Flexible, user-friendly CRM with a clean interface and a solid API.
3.5k • AGPL-3.0
yshop CRM
Sales-team CRM with multi-tenant and WeCom (WeChat Work) support.
1.9k • MIT
OroCRM
B2B-focused CRM built on the Symfony-based OroPlatform.
687 • OSL-3.0
Frequently asked questions about Group-Office
Is Group-Office free and open source?
Group-Office is released under AGPL-3.0. Always read the LICENSE file in the official repository before you use, modify or redistribute it. License details were verified on 14 October 2026.
What technology does Group-Office use?
Group-Office is built with PHP, MySQL/MariaDB.
Can I self-host Group-Office?
Yes. You can download the source from the official GitHub repository and run it on your own server or VPS. Requirements: PHP and MySQL/MariaDB on a web server.
Does Group-Office have a hosted or cloud version?
Intermesh's cloud: The maintainer, Intermesh, also offers a secure cloud version.
Who is Group-Office best for?
Small organisations that want groupware and CRM together.
What are good alternatives to Group-Office?
Similar open source projects in this directory include Krayin CRM, SuiteCRM, Fat Free CRM. Compare them in the Sales & General CRM group.
Data verified 14 October 2026 from the project's public repository and documentation. Details change, so check the official sources. See our disclaimer. Found a mistake? Tell us.