Download of BNF 1.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free program is a product of Daniel Cohen. The most popular version of the program is 1.0. BNF belongs to Development Tools. We recommend checking the downloaded files with any free antivirus. The default filename for the program's installer is bnf.exe.
From the developer:
BNF for Java is a BNF Compiler-Compiler, or Parser-Generator. It implements ISO Standard Backus-Naur Format, using Java. BNF allows you to create a syntax, or a complete language, to parse your data source. Your custom Java extensions generate output.
You may want to check out more software, such as GnuWin32: PlotUtils, FarPy GUIE or Menu Creator 2007 & Menu Extended, which might be related to BNF.