Complex sentence: OpenMFG is a commercially licensed ERP system targeted toward small to midsize manufacturers that adopted a "community code" model, meaning that customers who purchase or subscribe to licenses for the product have access to view and modify the source code.
Split into simpler sentences: OpenMFG is a commercially licensed ERP system targeted toward small to midsize manufacturers. The company adopted a "community code" model, meaning that customers who purchase or subscribe to licenses for the product have access to view and modify the source code.