Complex sentence: Unify initially focused on providing databases and 4GL development tools for the Unix platform, but with Windows taking over the desktop computer Unify released VISION, a 4GL cross platform development tool that supports Windows, Linux and Unix.
Split into simpler sentences: Unify initially focused on providing databases and 4GL development tools for the Unix platform. With Windows taking over the desktop computer Unify released VISION, a 4GL cross platform development tool that supports Windows, Linux and Unix.