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Open source ERP software

Open Source ERP based on Claris FileMaker

Discover the new gFM-Business Open Source: Your free open invoice program!

We proudly present the brand new gFM-Business Open Source, a powerful and fully customizable software solution with FileMaker Pro, specifically designed as a base to simplify your everyday business. Now you can take advantage of a comprehensive invoicing program as an open license for FileMaker without spending a dime! 

Use gFM-Business OS as a starting point for your own ERP software.

What is included?

gFM-Business Free gives you access to a basic CRM that enables you to manage addresses efficiently. Keep all the important contact details of your customers and business partners in one central location and use the addresses to automatically create invoices and credit notes. Create invoices and credit notes directly from a customer or in the invoicing module.

In addition, the software offers you basic item and warehouse management, which allows you to easily keep an eye on your products and stock levels. Manage your items and stocks effortlessly and optimize your warehouse processes.

What do you need?

For an immediate start, you need a macOS or Windows computer and an installed FileMaker Pro version 17 or higher. If you do not yet have a FileMaker version, you can download a trial version from Claris. download. gFM-Business requires the MBS FileMaker Plugin, which is supplied with our software and automatically installed as a trial version.

Quick and easy to expand

gFM-Business Open-Source contains an administration module that facilitates the customization and extension of the software with FileMaker Pro. In addition to some functions, the module contains an overview of all databases and documentation of all tables, fields and scripts with integrated full-text search.

The highlights of gFM-Business Open Source

Customizable and expandable with Claris FileMaker Pro

gFM-Business Open Source is delivered as an open license and can be fully customized by the user to individual business processes with Claris FileMaker Pro. Add new data tables and fields, relationships and scripts and extend existing processes in no time at all.

Customizable with Claris FileMaker Pro
ERP main menu and navigation modular

Modular main menu and navigation

The main menu and the navigation within the software are generated modularly from the database and can be easily adapted and expanded by the user in the integrated administration module. Rename menu items or add new menu items for your software in a simple input mask.

Integrated CRM with address management

gFM-Business Open Source contains a CRM module in which you can save all the addresses of your customers, suppliers and prospects in one central location. Use addresses to write quotations or invoices at the click of a mouse and filter data records using search terms.

Integrated CRM with address management

Manage articles and stock easily

gFM-Business Open Source includes a product management module that allows you to easily manage all your products and stock levels. Use the stored products to create invoices and credit notes in the invoicing module.

Writing invoices and credit notes made easy

With the integrated invoicing module, you can easily create invoices and credit notes from the CRM module. Add as many items as you like to the document and convert an invoice into a credit note at the touch of a button if required.

Writing invoices and credit notes
Currencies and user-defined settings

User-defined settings and currencies

gFM-Business Open Source supports multiple currencies with automatic exchange rate updates via the ECB. The software contains many application and user-defined settings that can be extended for your own purposes or individual processes with Claris FileMaker Pro. 

All current processes always at a glance

The main menu contains an overview of all active quotations, orders, invoices and delivery bills to keep track of all ongoing processes. Other tabs contain statistics, recently processed data records, an open items list and a list of items with a minimum stock level that has not been reached.

Developer module with internal documentation

With the integrated developer module, you can add further data, functions and processes to gFM-Business Open Source in no time at all. The developer module contains internal documentation for the software, which can also be filtered using a full-text search.

Open source and free of charge

Use gFM-Business Open Source as the basis for your own individual ERP software with Claris FileMaker Pro and don't pay a cent for it. Simply download the software below and open it without restrictions and with a full admin account with Claris FileMaker Pro on Apple macOS or Microsoft Windows.

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OS Plus version with time recording and more receipts

To get started with more functions right away, we offer an extended OS Plus version, which is available for a one-off price of 999 euros (499 Euro introductory price until August 31, 2024) can be purchased.

Highlights of gFM-Business Open Source Plus

Time recording and billing of services

The CRM of gFM-Business Open Source Plus contains the Services module with time recording and automatic billing of services. Enter corresponding service articles in the article management, which can be used for billing in the time recording.

Quotations, orders, delivery bills and reminders

Create quotations, orders with order confirmations, delivery bills and reminders in the invoicing module. Convert existing documents such as a quotation into a follow-up document such as an order or invoice at the touch of a button.

Screenshots of gFM-Business Open Source

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