Barcode Reader for mobile

• iPhone zxing (iTunes App Store - the application is called 'Barcodes' on iTunes.)
• Android zxing (Android Market - 'Barcode Scanner' can be found under the Applications category.)
• Blackberry BeeTagg (BeeTagg - direct download)
• Windows Mobile i-nigma (i-nigma - direct download)
• Windows Mobile quickmark (QuickMark - download site)
• Symbian i-nigma (i-nigma - direct download)
• Symbian quickmark (QuickMark - download site)
• J2ME zxing (Zxing - alternatively, there is also a basic version.)