Barcoding activeX. Supports all major 1D symbologies: EAN, UPC, code 128, code 39, PDF417, datamatrix, codabar, macro pDF 417 ....
Can be used with VB, ASP, VbScript. It can create a BMP file. The Visual Basic 6 source code is available.

• J4L-RBarCode for Delphi 1.2
  Delphi components that create 1D and 2D barcodes. It supports: EAN, Datamatrix, Aztec, QRcode , regular, Macro and Micro PDF 417, Maxicode, UPC, Code39, Code128, GS1 Databar, RSS...

• J4L-RBarcode for .NET 2.1
  .NET Components that creates 1D and 2D barcodes for VBnet and C#. Supported symbologies include EAN, code 39, interleaved 2 of 5, UPC, code128, datamatrix, maxicode, pdf 417, macro pdf 417, QRCode, RSS14, Aztec, Codabar GS1, Aztec and more.Includes server controls, WPF and windows forms controls. The source code is available.

• J4L-BarCode for C++ 1.1
  J4L-Barcode for C++ is a set of C++ classes that create 1D and 2D barcodes. It can be used in native C++ applications and also from windows applications compiling it as DLL. No windows native resources are used, the source code is 100% C++. The...

• J4L-BarCode, Real Studio edition 2.1.1
  Barcoding component for Real Studio / Real Basic that supports 1D and 2D barcode types

• Bytescout BarCode Reader SDK 2.10.244
  Provides functionality to read 1D and 2D barcodes (PDF417, Datamatrix, QR Code, Aztec,,Code128, Code39, EAN13, EAN8 and more) from images (BMP, JPG, PNG, TIF, GIF) in your .NET, ASP.NET,Windows CE, Pocket PC, ActiveX, ASP, command line applications. Barcode reader returns: barcode symbology type, recognized string and barcode location points;...

• VintaSoftBarcode.NET SDK 8.1
  VintaSoftBarcode