qbasic
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The last Microsoft development environment of the QuickBASIC family, released in 1991 bundled with MS-DOS 5.0, QBasic was an interpreter-only version intended to replace GW-BASIC. It inherited from QB, however, its simplified but still great text-mode IDE with a debugger and extensive online documentation through its Help menu.
As described, QBasic existed until Windows 95, when the interpreter, the editor and the help system were separated, and the interpreter was no longer bundled with the system from Windows 2000 onwards.
As of January 2024, however, QBasic was still mentioned as a useful and simple platform for introduction to programming, and used with emulators such as DOSBox in multiple platforms.
Most of the language features of QuickBASIC were implemented in QBasic — the Keywords box aside shows exactly the subset they had in common. Some limits and functionalities applied, though.
QBasic's text-mode IDE, a simplified version of the QuickBASIC one, was also the system text editor in MS-DOS 5 and 6. The executable EDIT.COM simply started QBasic in "edit mode" only. The BASIC interpreter was stripped out of it from Windows 95 onwards.