Gill Isn't Like-Linux (Gill) is a completely open source operating system built upon a custom kernel and framework. All programs included with Gill have been made in-house. No source code or data has been taken from other projects like GNU, Linux, or FreeBSD. Most of the OS has been written in C++ (its native language) with some parts in NASM and C (ANSI). Gill is licensed under the custom Gill Distribution License (GDL). Please see http://p.sf.net/gill-os/eOM2 for the complete license text.