Sythos Barcode Suite — 100% original JavaScript, zero dependencies, MIT. See also create.html.
Image reading includes Code 11, MSI Plessey, GS1-128, GS1 DataBar Omnidirectional/Truncated and EAN-2/EAN-5 supplements attached to an EAN/UPC parent. Pharmacode remains intentionally write-only for generic autodetection.