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    Would you like to see your project evolve in an efficient and structured way? The Gantt Professional Advanced Module allows you to manage all your projects in one place, without the need to use Gantt Project. We believe that you can effectively manage your projects with the right tools in place, and the Gantt Professional Advanced Module is one of them.

    300.00 €  (600€)
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    Allows you to create products or services directly in the Sales Proposals, Sales Orders and Invoices interface.

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  • Online Office Basic

    OnlineOffice is a Dolibarr module that securely connects Dolibarr with an online office server such as Collabora Online. Open and edit documents directly from Dolibarr in your browser, with centralized permission checks, and save-back of modified files into Dolibarr.

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  • SEPA Payment by QR Code on Your PDF Invoices - qrinvoice

    ✅ Automatically add a SEPA payment QR code (GiroCode) to your Dolibarr invoice PDFs. 📱 Customers scan and pay in one tap from their banking app (Belfius, KBC, ING, BNP…). 🔧 Compatible with Dolibarr 17→22, no external dependency.

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Simplified VAT certificate

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The dolibarr VAT certificate module allows you to edit in a few clicks a simplified VAT certificate for work carried out by a professional in a home (simplified VAT certificate (N°1301-SD - CERFA N°13948*05) (only available for french)

60.00 €
Excl. tax

  • Author Iouston
  • Module version 1.0.4
  • Release date 08/11/2019
  • Access to download and updates 1 year
  • How to contact support a href=
  • Compatibility Dolibarr V6 - V22
  • Last update 03/04/2026 09:33 AM

More info...

→ Éditor : iouston - www.iouston.com / AGPL

→ Module version : auto

Compatibility : Dolibarr auto auto

→ Language :

→ Technical assistance : per ticket from Monday to Friday

→ Documentation : Available online

→ Demonstration : online, with login : demo and password : demo

→ Detailed description :

  • The dolibarr VAT certificate module allows you to edit in a few clicks a simplified VAT certificate for work carried out by a professional in a home (simplified VAT certificate (N°1301-SD - CERFA N°13948*05) (only available for french)
  • Thanks to the VAT certificate module, you can edit the certificate to be given to the customer as soon as the commercial proposal is submitted.
  • All the options of the VAT certificate can be edited in a few clicks
  • Even better, you can select by default the options you want to activate or not for your VAT certificates
  • Certificates can be automatically added to the business proposal sent to the customer



If you think this module is a fork of another one (published after the first one) or violates some terms or conditions of use (for users or vendors), you can make a report at dolistore@dolibarr.org