Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
Manatee Works - Manatee Works offers barcode decoding solutions.
Bartender Mac App - Bartender is an award-winning app for macOS that superpowers your menu bar, giving you total control over your menu bar items, what's displayed, and when, with menu bar items only showing when you need them.
LabelJoy - Labeljoy is another professional barcode software that generates more than 18 different kinds of barcodes, import barcode from the database and automatic checksum calculation.
Vanilla - Vanilla is a free Mac app that lets you hide icons from your menu bar.
BarCodeWiz OnLabel - Barcode and QR Code and Barcode