LedgerSMB is an open source ERP program which offers businesses the ability to manage their operations, track invoices and their payments, inventory, and more in an integrated way - from a single application. Benefits of using LedgerSMB include:

  • Short ramp-up times due to a simple, powerful user interface
  • Easy integration with other business applications via open architecture
  • Customizability supporting your competitive advantage:
    Build the software around your business, not the other way around
  • Open community of consultants and service providers

Core functionality

The core functionality is provided by a series of built-in modules, listed below. Additional functionality or changes in application behaviour can be achieved by installing add-ons. See the next section for more on add-ons.

  • General Ledger and Journal Entry
    Manage your accounts, transfer money between them, and get a picture of the general financial health of your business, through double-entry accounting.
  • Sales
    Track customers, quotations, sales orders, and invoices.
  • Purchasing
    Track vendors, purchase orders, and invoices.
  • Multiple currencies
    Enter your transaction, invoices and payments in different currencies using different conversion rates.
  • Contact Management
    Track customer/vendor orders and relationships to your business.
  • Cash Management
    Handle cash in and cash out. Write checks, track receipts, and reconcile with bank statements.
  • Time tracking
    Track time and generate invoices from billable hours.
  • Fixed Assets
    Track and manage fixed assets, their depreciation and disposal.
  • Inventory Management and Light Manufacturing
    Track goods and services, and assemblies of these.
  • Reporting
  • Budgeting
    Track budgets by project and/or department, and run variance reports.


Some functionality isn't suitable for inclusion in the standard application. Functionality available as add-ons in 1.3, has been integrated in 1.4 and 1.5. The current list of add-ons is therefore empty.