Clari - Clari is a predictive analytics platform for sales people.
ZaapIT - Mass Merge, auto merge, duplicates cleanup, bulk edit, bulk update, bulk delete , mass lead convert
InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.
Duplicate Check - Start creating data happiness. Find, merge and prevent duplicate records in your Salesforce Organization.
Forecastio AI - Gain actionable sales pipeline insights, build accurate sales forecasts, automate sales planning, and forget about complex, time-consuming spreadsheets.
Apsona for Salesforce - Apsona for Salesforce is an add-on application for Salesforce to manage the data.