The best alternatives to Select Similar Layers are Git Sketch Plugin, UXPin, and Bootsketch. If these 3 options don't work for you, we've listed a few more alternatives below.
Start your project with +200 Bootstrap components in Sketch format. Resize every component. Color & font styles linked to every element so you can design faster. Bootsketch is the
This plugin creates vector shape arrows between selected objects and adds all the arrows to the bottom of the layer list as a locked group. Arrows will not disturb you while interacting with all the other layers and you can connect any type of layer