這裡的 Cross-Platform 指至少支援 Windows 及 Linux
FreeBASIC DOS, Windows, Linux
KBasic Windows, Linux, MAC
PureBasicWindows, Linux, MAC, AmigaOS
REALbasic Windows, Linux, MAC
SmallBASIC(Interpreter only) PalmOS, VTOS, Franklin's, Linux, Win32 and DOS.
XBasic Windows, Linux
Yabasic (Interpreter only) Windows, Linux
wxBasic Windows, Linux
就 Google 搜尋到的資料量來看, REALbasic 應該是最多人用.
ref. List of BASIC dialects