rSQLiteGUI 0.2 features copy and paste functionality for rows thanks to Benjamin Bock. The *BSD platform is also recognized. The installation procedure has been clarified in both the install file and the README. Please take a look.

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Ruby SQLite GUI is a simple, cross platform SQLite database administration tool written in Ruby using the Ruby/GTK2 bindings for Gtk+ and ActiveRecord as the back-end. It is targeted towards Rails developers using SQLite instead of the larger mySQL, pgSQL, etc. databases, but can be used for anything else in general.