FreeBASIC is a multiplatform, free/open source (GPL) BASIC compiler for Microsoft Windows, protected-mode MS-DOS (DOS extender), Linux, FreeBSD and Xbox.
License: Open Source
FreeBASIC is a procedural programming language that offers low-level access and fast compilation, making it suitable for system programming and performance-critical applications. In contrast, Squirrel is a high-level, embeddable language ideal for game scripting and rapid application development, focusing on simplicity and flexibility.