Everything Odoo Community does, plus the parts it leaves out.
eYssen runs on Odoo 18 Community and adds 290+ modules for accounting, sales, webshop, warehouse, HR and more. Free and open source, with no licence fees: run it yourself, or let us host and support it.
Full accounting, without the Enterprise licence.
The reports, reconciliation and automation that Odoo keeps for Enterprise are part of eYssen, built on proven OCA and community foundations and extended by our own modules.
Financial reports
Balance sheet, profit and loss, general and partner ledgers, aged balances. Interactive on screen, one click to Excel or PDF.
AI invoice scanning
Upload a supplier bill and AI reads the vendor, lines and totals into a ready-to-check draft.
Bank reconciliation
Match statement lines to invoices and payments with reconciliation rules and smart suggestions.
Online bank sync
Transactions arrive automatically. Wise and Hungarian banks via bankszamlakivonat.hu today, with more providers being added.
Assets & budgets
Depreciation schedules, fiscal years, lock dates and budget versus actual in one place.
Payment follow-ups
Multi-level reminder letters and payment-risk warnings on invoices and quotations.
Complete Hungarian accounting and NAV Online Számla, out of the box.
Every invoice reported to NAV, corrective invoices included. Full Hungarian bookkeeping with the returns accountants file, and auditor data exports of general ledger entries and inventory analytics.
Spanish localisation: the essentials today, much more on the way.
Spanish accounting, SII and Veri*Factu work today. AEAT returns, SEPA remittances and Spanish bank sync are next, ahead of the 2027 Veri*Factu deadlines.
Sell with better pricing, versions and control.
Pricelists that follow real commercial rules, quotations with version history, and commissions tracked from deal to payment.
Pricelists that follow your rules
Pricelist tags and ribbons, price pairs, rule sequences and prices entered in a foreign currency, shown right on the product and the webshop.
Quotation versions
Keep every revision of a quotation and see exactly what changed.
Price calculator
Build the sale price from cost, margin and surcharges inside the order.
Commissions & targets
Parameterised commissions with a fixed deal salesperson, plus salesperson and team targets with live progress.
Blanket orders
Framework agreements with call-off orders against agreed quantities and prices.
Subscriptions & rental
Recurring contracts with automatic invoicing, NAV continuous-supply handling, and product rental.
Payment-risk control
Warnings on quotations for customers with overdue invoices, and deliveries held until the order is paid.
Multi-currency CRM
Opportunities in any currency, and one process number that links a deal from lead to invoice.
A faster, smarter webshop on the same database.
eCommerce that knows your real stock, your markets and EU rules, and connects to the channels Hungarian shops use.
Search that forgives typos
Fuzzy product search on PostgreSQL trigram matching, with prefetching and lazy filter counts that keep large catalogues fast.
Real stock rules
Availability per warehouse, with rule-based modes for what the shop may sell.
EU Omnibus pricing
Shows the lowest price of the last 30 days next to every discount.
Markets & navigation
Visitors pick language, country and currency; mega menus build themselves from the category tree.
Size charts & media
Size-chart pop-ups by category or attribute, bulk media upload and language-specific images.
Returns portal
Customers request returns from their portal; parcels returned by GLS open a return automatically.
Channels & checks
Shopify and Unas connectors, Árgép product feed and utanvet-ellenor.hu fraud checks at checkout.
Store locator
A crawlable page of your stores with addresses and opening hours, ready for Click & Collect.
Stock control built for multi-warehouse reality.
From barcode scanning to Hungarian carriers and EKAER, every movement is traceable and every parcel gets its label.
Barcode app
Scan receipts, deliveries, inventory counts, sales and purchases from one app, and print custom product labels.
Multi-warehouse stock
Per-warehouse stock on the product, pickable locations and removal priorities.
Consignment
Track goods held on consignment and settle what was sold.
Carrier labels
GLS, MPL and Foxpost labels, with cash on delivery calculated per parcel.
Delivery documents
Priced delivery notes, sales details on slips and invoicing straight from transfers.
Compliance
EKAER notifications from transfers, Intrastat reporting and ADR dangerous-goods data.
Dimensions & loads
Product dimensions, materials, advanced units of measure and load management for shipments.
Purchasing that keeps up with your suppliers.
Import supplier catalogues automatically and buy against agreements instead of retyping price lists.
Supplier feed import
Automatic XML, CSV and SOAP feed imports from wholesalers, with supplier product management and colour codes.
Blanket purchase orders
Agreements with suppliers and call-off orders against them.
Pricelist import
Bulk-import supplier and sales pricelists from spreadsheets.
Bulk product entry
Add many products at once to purchases, sales, invoices and transfers, with quantity totals on every document.
Price history
Every price change on products and pricelists is recorded and traceable.
Point of Sale for chains, not just single tills.
Run many shops from one place, with Hungarian invoicing and receipts that carry your brand.
Central POS groups
Group tills and manage products, prices and payment methods for all of them centrally.
Product restrictions
Limit which products each shop may sell, based on your own parameters.
Receipts & logo
Design your own receipts and replace the default logo with yours.
Hungarian POS invoicing
Invoices from POS orders that meet Hungarian requirements.
Speed & margins
Faster loading for large catalogues, and per-product revenue, cost and margin across shop and POS sales.
Projects, field service and support in one flow.
Plan work on a Gantt chart, keep your SLAs, send technicians out and bill exactly what was done.
Gantt planning
Gantt view for project tasks, with project categories and templates to start new projects fast.
Helpdesk & SLA
SLA policies with priorities, freezes, escalation and reporting.
Field service
Send technicians on site with worksheets and the products used on the job.
Prepaid service credit
Sell credit packages and draw them down as tasks are completed.
Timesheet invoicing
Invoice straight from timesheets, with a calendar view for logging time.
Equipment & fleet
Equipment registers for printers and measuring devices, plus fleet parts and stock management.
People management with real performance reviews.
Objectives, reviews and competencies that follow Hungarian practice, next to the payroll you already use.
Performance reviews & 360°
Review cycles, structured questionnaires, confidential ratings and sign-off, with feedback from peers, direct reports and external reviewers behind an enforced anonymity threshold.
Objectives & OKRs
Objectives, key results and development goals with measured, dated check-ins.
Competency framework
Behavioural anchors, per-job requirements and gap analysis on top of employee skills.
Salary sheets
Engagements, salary terms and monthly salary sheets, reconciled with your external payroll provider.
Complete employee records
Birth name, mother's name, mailing address, dependants and multiple emergency contacts.
Hungarian HR data, ready to use.
FEOR-08 occupation codes, personal income tax reliefs, contribution regimes, probation reviews and validation of Hungarian identifiers.
Everything your team shares, in the same system.
Knowledge, documents, signatures, bookings and messages live next to the records they belong to.
Knowledge base
Spaces and nested pages with a rich editor: tables, code blocks, callouts. Imports articles from Odoo Enterprise Knowledge.
E-signature
Send documents for signature and sign report PDFs electronically.
Documents
A document management app with access control.
Online appointments
Public booking with payment, passes and packages; approved bookings create leads, tasks or course enrolments.
Activity board
Every activity across the company in one board, with full history and a deletion trail.
Mailbox & WhatsApp
A three-pane mailbox for internal messages, email tracking with CC and BCC, and WhatsApp messaging.
Built to adapt, automate and scale.
An AI platform, dashboards and background processing, running on the eYssen Cloud.
AI platform
Connect AI providers, build agents, and keep every call logged and access-controlled.
Dashboards
Configurable dashboards with charts, KPIs, tables and shortcuts.
Customisation
Tailor eYssen to your processes with our own customisation tools, no Studio licence needed.
Mobile app
Work from your phone with the eYssen mobile app.
Background jobs
Large exports and print batches run in the background, with a job queue and scheduled value changes.
Security & audit
Audit log, fine-grained access management and data audit tools.
Integrations
A REST API, UNECE code lists and XML reports for connecting eYssen to other systems.
eYssen, Odoo Community and Odoo Enterprise
The short version is below. The full comparison goes through every area, feature by feature, and also covers ERPNext, Microsoft Dynamics 365 Business Central and Holded.
- Everything in Odoo Community
- Full accounting, helpdesk, field service, sign, knowledge and more
- Complete Hungarian localisation
- Optional managed hosting on the eYssen Cloud
- Core apps: CRM, sales, inventory, website, POS
- Basic accounting without financial reports
- Partial NAV Online Számla reporting
- Self-hosted
- The full Odoo app suite, including Studio, IoT and VoIP
- Full accounting and financial reports
- Partial Hungarian localisation
- Odoo Online or Odoo.sh hosting
Odoo is a registered trademark of Odoo S.A. eYssen is an independent project and is not affiliated with, endorsed by or connected to Odoo S.A. Comparison based on version 18.0, September 2026.
See the full comparison