Apps similar to STRICH include ZBar bar code reader, which is free and open source. Other options are ZXing, Dynamsoft Barcode Reader, QuaggaJS and quagga2. In total there are six Barcode Scanners like STRICH for Mac, Windows, Linux, the web and self-hosting.
ZBar Bar Code Reader is an open source software suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 93, Code 39, Codabar, Interleaved 2 of 5, QR Code and SQ Code.
Brazil
Decode a 1D or 2D barcode from an image. Supported formats include:
UPC-A and UPC-E EAN-8 and EAN-13 Code 39 Code 93 Code 128 ITF Codabar RSS-14 (all variants) RSS Expanded (most variants) QR Code Data Matrix Aztec ('beta' quality) PDF 417.
United States
Dynamsoft Barcode Reader is a high-performance Barcode Scanner SDK for 1D/2D code decoding from video or images. It is fast and highly accurate, capable of reading difficult, damaged, or obscured codes. APIs support web, mobile, & server/desktop (C++, .NET, Java, Python, etc.) integration.
Canada
QuaggaJS is a barcode-scanner entirely written in JavaScript supporting real- time localization and decoding of various types of barcodes such as EAN, CODE 128, CODE 39, EAN 8, UPC-A, UPC-C, I2of5, 2of5, CODE 93 and CODABAR.
France
EU