Compatibility
Open existing VB6 projects. Familiar language, objects, and libraries. Continue working with the language, libraries, and workflows you already know - now with modern tooling.
Learn more →twinBASIC
A modern classic BASIC programming language.
Crafted from the ground up for exceptional compatibility with classic VB6 projects, twinBASIC lets you open and run your existing code - then take it further with modern language features, native 64-bit compilation, and a powerful new IDE.
Build for both 32-bit and 64-bit Windows from a single codebase, with full Unicode support, advanced debugging, modern controls, and ongoing language innovation.
Keep your code. Expand your possibilities. Welcome to twinBASIC.
Native 32-bit & 64-bit
Build true native Win32 and Win64 applications from the same codebase, with future support planned for Windows-on-ARM and additional cross-platform targets.
Learn more →Modern IDE & Debugger
A modern development environment with live diagnostics, code folding, semantic highlighting, integrated debugging, plus many quality-of-life improvements.
Learn more →Additional Features
Full unicode support, modern language enhancements, new controls, package management, inheritance, generics, and many more capabilities beyond classic BASIC environments.
Learn more →Why twinBASIC?
- Preserve your existing code, knowledge, and long-term investment
- Build modern native applications for both 32-bit and 64-bit Windows
- Powerful IDE, debugger, and modern language enhancements
- Flexible licensing with a generous free Community Edition