[GENERAL] What Front-End you suggest ?

[Gerson - Yahoo]

Dear friends,   I need to development one system in native Linux, Language and DataBase, today I use PostgreSQL with Delphi 2005 in Windows 2005 Servers, and I need to know what language will use to do this ? That you suggest ? This Langage work good in what Linux SO ? This language have developmente ambient IDE (like Delphi 2005) ? Where may download this compiler to test ?   Tks for help.   Gerson