Search for vector creator software

Hi! I saw some svgs, gifs, and I search for a software to create similar vectors. Like https://ibb.co/4MzZgT2 these images are can be modify some parts, color ... so I think its SVG.s I need a software, or a guide, how can I create images like this https://ibb.co/ZXtGFJS https://ibb.co/M77m9Wm

Thanks for help