Open Source ERP and Accounting for Sovereign Financial Data Management.
LedgerSMB is a comprehensive Enterprise Resource Planning (ERP) and accounting platform designed for businesses that prioritize data sovereignty and long-term architectural stability. Built on a Perl-based application layer with a heavy reliance on PostgreSQL's relational power, LedgerSMB stands apart by implementing much of its business logic directly within the database via stored procedures. This ensures high data integrity and consistency across multiple client types. As of 2026, it remains a critical alternative to SaaS-only financial tools, offering modules for accounts receivable, accounts payable, general ledger tracking, fixed asset management, and inventory control. Its open-source nature allows for deep customization, making it a favorite for organizations with specialized regulatory or internal workflow requirements that off-the-shelf proprietary solutions cannot meet. By 2026, the project has matured its RESTful API capabilities, facilitating easier integration with modern front-ends and external automation tools like Zapier or Make, while maintaining its core commitment to open standards and non-destructive audit trails.
Business rules are enforced at the PostgreSQL layer using stored procedures (PL/pgSQL), ensuring data integrity regardless of the access method.
Professional, local-first accounting and ERP freeware for privacy-conscious global enterprises.
The first cloud-native suite built exclusively for professional accountants to regain control over client accounting.
The intelligent accounting platform designed for non-accountants to master Norwegian tax compliance.
Streamlined professional bookkeeping with local-first data sovereignty and hybrid remote access.
Verified feedback from the global deployment network.
Post queries, share implementation strategies, and help other users.
Full lifecycle tracking of fixed assets including automated depreciation schedules and disposal logging.
Every transaction is recorded with a non-destructive history, allowing for full reconstruction of financial states at any point in time.
Support for multiple business entities within a single installation, allowing for inter-company transfers and consolidated reporting.
Application users map directly to database roles, utilizing native PostgreSQL security features for access control.
Uses LaTeX for high-fidelity PDF generation of invoices, packing slips, and reports.
Module for setting departmental or project-based budgets with real-time variance reporting against actuals.
A retail business needs to sync daily sales with back-office inventory levels to prevent stockouts.
Registry Updated:2/7/2026
An import/export firm needs to manage invoices in multiple currencies while reporting in USD.
A manufacturer needs to track raw material consumption during the production of finished goods.