Aubit 4GL project is a OpenSource project to make a free, GNU/GPL, Informix-4GL and x4GL compatible development tools (compiler, tools, libraries), and continue to extend functionality and tools needed to write most efficient, stabile and productive applications in business related, database oriented applications. Aubit 4GL compiler is software that translates x4GL programming language into executable programs, enabling fast and productive creation of database oriented applications utilizing 4GL with embedded SQL and C programming languages, using ODBC and native connections to databases, and GTK+ for GUI, or Ncurses for CUI, and HTML/JavaScript for web browser presentation layers.