Fusion, an integrated 2D and 3D compositing and motion graphics software, VR tools with a massive toolset featuring paint, rotoscope, titling, animation, multiple keyers including Primatte, an amazing 3D particle system, advanced keyframing, GPU acceleration, and support for importing and rendering 3D models and scenes from other applications. Technical support available via the Blackmagic Design community forums.
[Comparing 'Fusion' (free) vs 'Fusion Studio']
... even the free version looks quite promising! So, start editing your AHK video tutorials