JLinBar allows you to continuously scan barcodes on your computer using a Webcam. Currently, it only supports Video for Linux (V4L/V4L2) Webcam devices, therefore it will only work on Linux.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.