PartKeepr - PartKeepr is an open source inventory management system that you can alter according to the particular requirements of your business or of the area from where you are operating.
PartsBox - The complete solution for building electronics.
BOMIST - Parts Inventory and BOM Management for Electronics
AXT Parts - AXT Parts is an engineering parts management system developed to keep track of parts and components...
OpenBOM (TM) - OpenBOM is cloud-based tool to create and manage your Bill of Materials (BOMs) and Part Catalogs.
PartBolt - PartBolt makes it easy for you to track and organize electronic components. You’ll know exactly what you have and where it is.