This is from a video by LinkedIn.

Automation

Vows

Asynchronous BDD (Behaviour Driven Development) for Node

http://vowsjs.org

Robotium

Test framework for black-box test cases for Android

http://code.google.com/p/robotium/

Selenium

Automating web applications for testing purposes

http://docs.seleniumhq.org

FoneMonkey

Functional testing tool that allows the interactive creation, editing and playback of automation scripts that exercise an application’s user interface

https://www.gorillalogic.com/fonemonkey-ios

GHUnit

Test Framework for Objective-C

https://github.com/gabriel/gh-unit

Build Management

Hudson 

A Continuous Integration Server

http://hudson-ci.org

Interestingly, they only commit to the trunk. i.e. there are no branches. Developers always commit to the trunk.

Layout Testing

Kiran (LinkedIn) said they use an internal tool that does this. Apparently they’re going to OSS it.

Performance

Again, Kiran said they use an internal PhantomJS based tool for this.

More on that talk here at around 45 mins in:

http://www.youtube.com/watch?v=hMd45Ij2DYQ