CRMfusion - CRMfusion is a suite of data quality and data integration tools that integrate well with Salesforce.
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
ImportBuddy - It gives you a very easy solution to Add/Update CSV data into any standard or custom object of Salesforce without leaving Salesforce.com
ManageWP - ManageWP is a service for bloggers, site owners and web based companies helping them manage multiple WordPress sites from one dashboard.
DataArchiva - DataArchiva: An Enterprise-grade Data Archiving Application for Salesforce
CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.