Yesware
Yesware is a small business CRM software solution that is made to help businesses which use email marketing. These days, a lot of businesses use email to follow up on leads, acquire new customers, keep in touch with existing ones and up-sell their products. However, if you want to maximize the results of your email campaigns, you will need to organize and track them the right way. This is precisely what Yesware allows you to do. The paid version allows you to track an unlimited amount of emails, so no matter how large your mailing list is, Yesware can work for you. If you're a small business and only send a limited amount of mails each month, there is a free version that lets you track up to 100 emails per month, in addition to giving you personal email templates and email campaign reports.