InVision Studio - The world’s most powerful screen design tool
CodeKeep - Codekeep lets you store and share bits of code and text with other users. Snippets can be organized into folders/labels for instant reuse.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
CodeMyUI - Handpicked code snippets you can use in your web projects
Circular Design Guide - Toolkit that brings design thinking full circle
Anyfiddle - Build, run and share code in any language from your browser