Auto-Layout for Sketch - Responsive design for Sketch
FlowLayout - A bi-directional layout framework for iOS
Cheat Sheets Dev - Community built to share popular programming snippets.
AsyncDisplayKit - iOS framework keeps complex UIs smooth and responsive
Achieving Zen With Auto Layout - Demystify auto layout on iOS and OS X
Auto Grid in Adobe XD - Generate Smart Grids Anywhere on Any Shapes and Artboards.