PartKeepr is an electronic part inventory management software. It helps you to keep track of your available parts and assist you with re-ordering parts. It is designed for hackerspaces with multiple users, but you can also use it to manage your personal electronic part inventory.
Neuminds is an inventory app which tracks customers, sales, and receipts. It can backup and import to an SD card, import and export to a desktop-based barcode inventory system, and view realtime reports. It features a convenient user interface.