Third-party code bundled with Sift, served from this site:

barcode-detector 3.2.3 (MIT) and zxing-wasm 3.1.6 (MIT, ZXing-C++ Apache-2.0)
tesseract.js 7.0.0 (Apache-2.0), tesseract.js-core 7.0.0 (Apache-2.0), English language data (Apache-2.0)

Data: Open Food Facts and Open Beauty Facts (Open Database License, ODbL); openFDA (public domain).