Olootu Ọrọ Ilọsiwaju KDE, tabi Kate, jẹ olootu koodu orisun ti o dagbasoke nipasẹ agbegbe sọfitiwia ọfẹ KDE. O ti jẹ apakan ti KDE Software Compilation lati ẹya 2.2, eyiti a ti tu silẹ ni akọkọ ni 2001. Ti a pinnu fun awọn olupilẹṣẹ sọfitiwia, o ṣe afihan sintasi, fifi koodu, awọn ipilẹ isọdi, atilẹyin ikosile deede, ati extensibility. Mascot olootu ọrọ jẹ Kate the Cyber ​​Woodpecker.