GCstar scanner — Open Source Productivity App

You will need https://f-droid.org/packages/com.google.zxing.client.android to be installed. GCstar is a cross-platform application for managing your collections. Detailed information on each item can be automatically retrieved from the internet and you can store additional data, such as the location or who you've lent it to. You may also search and filter your collection by many criteria.