Pointofmail.com - Know who, when and where read, clicked and forwarded your email.
Jason - Infinitely hackable mobile client
ReadNotify - ReadNotify enables the user to know when email is sent and the reciever reads the email.
Paychex - Are you in need of payroll services, HR services, 401(k) and benefits administration, or more? No matter the size of your business, Paychex can help.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Replicon - Replicon is a unified time-tracking software that elevates time as a strategic asset within an organization, to improve operational productivity, performance, profitability, and compliance.