Addoncrop - Extends the functionality of your web browser
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Chrome Extension Downloader - Chrome Extension Downloader is the name of a website dedicated for downloading and Chrome extensions.
Clearbit - Clearbit provides Business Intelligence APIs
Opera Add-ons - Get extensions and themes for the http://alternativeto.net/software/opera browser.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.