gammaray-plugin-objectvisualizer 2.7.0-1ubuntu4 (ppc64el binary) in ubuntu bionic

 This plugin can visualize parent-child relationships of QObjects in a
 form of planar or 3D acyclic graph. Multiple graph layout algorihtms
 are available.
 .
 Also, for use with 3D glasses, various types of stereoscopic rendering
 are supported.