xSMS is a native app for Salesforce.com and provides ability to your Salesforce.com application to send & receive SMS
Conga Composer makes it easy to create and deliver sophisticated documents and reports from Salesforce.
S-Docs is the document generation solution that is natively built on the Salesforce platform.
Create automated workflows between your favorite apps and services without writing a single line of code.
From marketing automation, to online scheduling, to prospect nurturing, ShowMojo slashes your costs while delighting your prospective renters.
Send, sign, track and save agreements in Salesforce, with the most downloaded electronic signature app on AppExchange.