All vector .sketch files are editable in Sketch, Figma, Adobe XD. Sketch App Sources is the largest collection of icons, UI kits, wireframes, and free design resources for Sketch.
macOS Big Sur UI Kit - Free Sketch Resource
App Design System Freebie
10 Best UI Style Guide Examples & Templates for Better UX
Free UI & Brand Style Guide Templates — Medialoot
Figma Freebie - Style Guide 7.0
Style Tile Template Sketch freebie - Download free resource for
UI Style Guide Sketch freebie - Download free resource for Sketch - Sketch App Sources
Eva Design System Sketch freebie - Download free resource for
A Free Web Style Guide Template for Sketch - Rafal Tomal
Sketch Elements Free UI Kits, Templates, and more Sketch Resources
Boardi UI Kit Sketch freebie - Download free resource for Sketch
Eggplore UI Style Guide Sketch freebie - Download free resource for Sketch - Sketch App Sources
Free Design Resources for Wireframes - Lapa Ninja
Eggplore UI Style Guide Sketch freebie - Download free resource for Sketch - Sketch App Sources