When comparing Guile vs twinBASIC, the Slant community recommends Guile for most people. In the question“What are the best general-purpose programming languages?” Guile is ranked 9th while twinBASIC is ranked 12th. The most important reason people chose Guile is:
Guile makes it easy for users of your application to write extensions without needing to understand the plumbing of your program.
Specs
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Pros
Pro Easy to customize and extend applications
Guile makes it easy for users of your application to write extensions without needing to understand the plumbing of your program.
Pro GNU's official extension language
Chances are a system running enough GNU software will already have it installed.
Pro Excellent documentation
The documentation provides conceptual overviews, tutorials, and a detailed reference for all commands, functions, and operators.
Pro Fantastic interface to C, C++ in both directions, embedding guile in C/C++ and embedding C/C++ in guile
Pro 100% Backward Compatible with VB6/VBA
Any code that runs in VB6 will run in twinBASIC (once v1 is released). Code that runs in VBA will also run in twinBASIC, though you need to account for any dependencies on the host application's object model (e.g., the Excel or Access Application object).
Pro No runtime requirement
The lack of a runtime dependency makes twinBASIC applications very lightweight and portable. Additionally, compiled executables only include necessary code from any referenced libraries. The classic "Hello, World" program compiles down to an 8 KB .exe with no external dependencies.
Pro Compile DLLs to extend VBA functionality
Can be used to extend VBA functionality by compiling standard and ActiveX DLLs in both 32 and 64bit.
Pro 64bit compilation is supported
64bit compilation is supported, as well as 32bit.
Pro At last! a replacement for VB6
At last there is a replacement for Microsoft VB6 - and for VBA too - twinBASIC programming.
Cons
Con Weak copyleft
LGPL
