Figma - Team-based interface design, Figma lets you collaborate on designs in real time.

Simple Snippets - Simple Snippets is place to easily create and manage your code snippets. The main features of the Simple Snippets: code highlighting, snippet groups, public and private snippets.

Invision - Prototyping and collaboration for design teams

Quiver - Quiver is a notebook built for programmers.

Sketch - Professional digital design for Mac.

GitHub Gist - Gist is a simple way to share snippets and pastes with others.