Bywater BASIC (aka bwBASIC) is a GPL BASIC programming language Interpreter (computer software) by Ted A. Campbell for MS-DOS and POSIX. It supports a large set of the ANSI Standardization for Minimal BASIC and a large subset of the ANSI Standard for Full BASIC. Bywater BASIC is implemented in C programming language.

It currently is an open source project hosted on SourceForge.

=External link=