Chipmunk Basic –a traditional (vintage) terminal/command-line programming environment with baked-in support for a simple, old-fashioned, and easy-to-learn dialect of BASIC and compiled binary interpreters for MacOS
Gambas –a Java-inspired (object-oriented) dialect of BASIC with its own robust IDE, complete with GUI form editor
QB64 official website –a modern, extended BASIC programming language that retains QBasic/QuickBASIC 4.5 compatibility while compiling and freely distributing native interpreter binaries for Windows, Linux, and macOS