XBLite is a concise, simple, powerful, and complete Windows programming language which combines the speed of C with the ease of a BASIC syntax. XBLite is free, open-source, and published under GPL and LGPL licenses.

A Basic interpreter designed for task automation under Windows Operating System.

• More than 400 commands. Almost all Basic language keywords supported, user defined functions with local/global/static variables scope, For/Next, If/Else/ElseIf, Do/Loop, While/Wend, Select/Case, ...
• Easy to use way to implement external modules able to improve thinBasic native language
• Many official modules already developed.

A free, open-source, 32-bit, MS-QuickBASIC's syntax-compatible compiler. Adds new features such as pointers, unsigned data types, inline-assembly and many others.

The Express Editions are an expansion of the Visual Studio and SQL Server product line to include lightweight, easy-to-use, and easy-to-learn tools for hobbyists, students, and novice developers who want to build dynamic Windows applications, Web sites, and Web services. The Express products consist of:

PureBasic is a programming language based on established BASIC rules. The key features of PureBasic are portability (Windows, AmigaOS and Linux are currently fully supported), the production of very fast and highly optimized executables and, of course, the very simple BASIC syntax.

NS Basic/Desktop lets you quickly produce standalone, royalty free applications. Its power goes beyond most Basic implementations with its ability to use standard Windows components easily.

You can connect to databases like ADO, SQL and Oracle, communicate with the internet and devices, play movies and music, manipulate Excel spreadsheets and much, much more!

RQ Debugger IDE is programmer editor for Rapid-Q Basic and FreeBasic programming languages.

• multiwindow
• You can open 32 files and switch to one using "Windows" menu item.

FBIde - is a free open source IDE for FreeBasic compiler written using Dev-Cpp and wxWidgetsframework library.

ExtremeBasic is comprised of three components:

• An Integrated Development Environment with code editors, GUI tools, debugger, etc
• A clean and powerful BASIC dialect
• A rich class library covering GUI applications, networking, multimedia, etc

AutoIt v3 is a freeware BASIC-like scripting language designed for automating the Windows GUI and general scripting.  It uses a combination of simulated keystrokes, mouse movement and window/control manipulation in order to automate tasks in a way not possible or reliable with other languages (e.g. VBScript and SendKeys).  AutoIt is also very small, self-contained and will run on 95, 98, ME, NT4, 2000, XP, 2003 out of the box with no annoying "runtimes" required!  You can even make compiled executable scripts that can run without AutoIt being installed!