bcWebCam - Scan barcodes and QR Codes with your computer web cam
Manatee Works - Manatee Works offers barcode decoding solutions.
ZXing - Barcode Scanner for Android
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.
Barcode to PC: Wi-Fi scanner - Turn your smartphone into a real barcode scanner
BarCodeWiz OnLabel - Barcode and QR Code and Barcode