Campaign Workhub is an email campaign QA and proofing app.
Campaign Workhub + GoConvert
Use GoConvert and Campaign Workhub to maximize the ROI of your sales and marketing spending. Enrich information in your Campaign Workhub account, improve contact and deal information, and start visualizing marketing and sales performance. GoConvert works around the clock to automatically fill in missing data. Your insights get better all the time.