Proto.io

protoio

http://proto.io/

Quick prototyping tool for multiple devices with support for animations.

Patternry

patternry

http://patternry.com/

Collaborative design patterns.

Keynotopia

keynotopia

http://keynotopia.com/

Enhances prototyping capabilities of Keynote.

Vine

vine

https://vine.co/

6 second videos. Can be saved straight to camera roll without sharing.

Notism

notism

https://www.notism.io

Design collaboration tool with Basecamp integration.

Spacedeck

spacedeck

https://spacedeck.com/

Visual collaboration for teams.

How Do

HowDo

https://www.how.do/

Capture images and record voiceovers to create short guides.

TogetherJS

TogetherJS

http://togetherjs.com

Real-time collaboration for websites.

Webflow

webflow

http://www.webflow.com/

Browser-based, drag-and-drop, responsive website tool.

FROONT

Froont

http://froont.com/

Browser-based, responsive website prototyping.