Complex sentence: Devhelp is an API browser, Accerciser an accessibility explorer, and there are several debugging tools, including Nemiver, GtkInspector and Alleyoop, have also been provided to facilitate development of GNOME software.
Split into simpler sentences: Devhelp is an API browser, Accerciser an accessibility explorer. There are several debugging tools, including Nemiver, GtkInspector and Alleyoop, have also been provided to facilitate development of GNOME software.