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 simple, lightweight language focused on ease of use and speed, ideal for quick scripts and small applications. In contrast, jRuby is a dynamic language offering rich features and better support for web development, leveraging the Java ecosystem.