Whispy Companion

This extension allows Whispy.org to access your twitter.com account and makes following features possible: - Crossposting - Following list import - Timeline mixing - Accessing twitter.com pages from Whispy - Optional automatic redirects - And more! Please keep in mind that this extension is NOT affiliated with twitter.com. It does not collect any of your personal data, this extension simply allows to access twitter.com interface on the same page.

Screenshots from Chrome Web Store