Open-source double-entry accounting and ERP with inventory for SMBs
ERP & Business Suites
LedgerSMB is a web-based double-entry accounting system and ERP that handles invoicing, inventory management, purchasing, and light manufacturing. Built on PostgreSQL with 45+ language translations.
Open-source project management web application with issue tracking, Gantt charts, and wiki
Project Management
Ruby on Rails-based project management platform with multi-project support, role-based access control, and SCM integration. Cross-platform and cross-database.
Script-based 3D CAD modeler for programmatic solid geometry
CAD, CAM & CAE
OpenSCAD creates solid 3D CAD models through a declarative scripting language. It uses constructive solid geometry and parametric modeling for precise mechanical designs, particularly popular in 3D printing workflows.
Open-source CNC controller for mills, lathes, and robots with real-time motion control
CNC & Machining
Open-source software system for computer control of mills, lathes, 3D printers, plasma cutters, and robot arms with up to 9 axes. Runs on Linux with real-time extensions for precise timing.
Free, open-source unified XDR and SIEM for endpoint and OT security
Threat Detection & Response
Wazuh is a free, open-source security platform that unifies XDR and SIEM capabilities for endpoint protection, threat detection, and compliance monitoring across IT and OT environments.
