Wepik
For illustrators and digital painters, CC 2019 introduced a live Symmetry Mode. By accessing the butterfly icon in the options bar, users could paint on one side of an axis, and Photoshop would mirror the strokes to the other side in real-time. This supported vertical, horizontal, dual axis, radial, and mandala symmetries.
If you are specifically looking for the 2019 version because of an older computer, keep these technical details in mind: Operating System
This feature was a massive time-saver for designers working with placeholders. The Frame Tool (shortcut 'K') allowed users to draw a rectangle or elliptical frame and simply drag an image into it. The image would automatically be masked to the frame’s shape. This functionality, borrowed from Adobe InDesign, bridged the gap between photo editing and layout design, making clipping masks significantly faster to create.
Adobe offers a of the latest version of Photoshop, which is the only official "free" way to use the software legally.
