While Kiba-dock is popular for its tag-along with 3D window managers (i.e. AIGLX with Beryl), KXDocker seems to be the choice for those who seek "simple yet powerful" alternatives.
Kiba-dock is well-known for its compatibility with 3D window managers like AIGLX and Beryl, but KXDocker seems to be a popular choice for users who prefer a more straightforward approach without sacrificing power.