AliveColors provides a wide range of image editing options. The program includes selection tools that allow you to create selections for editing areas of an image or combining parts of different images. Some tools are available in the Toolbar, some of them - as commands in the Select menu.

Basic Selection Tools (Rectangular Selection, Elliptical Selection, Lasso, Polygonal Lasso)
Magic Wand Tool
Quick Selection Tool
Object Selection Tool (AI-based)
   •   Select Subject (AI-based)
   •   Color Range
   •   Refine Edges

Also, you can use the SmartMask built-in plugin for complex selections.