The best replacement for sugarcrm is salesforce.

The best alternatives to sugarcrm are rated as following:
★★★★★  salesforce
★★★★★  vtiger
★★  zoho
★  infusionsoft
★  dynamics
★  zurmo
★  civicrm
★  openerp
★  zohocrm
★  highrise
★  zendesk
★  microsoft crm
★  opencrx
  vtiger crm
  goldmine
  siebel
  openbravo
  suitecrm
  nimble
  salesforce.com
  compiere
  splendidcrm
  sales force

Your alternative for sugarcrm is not listed? Suggest!
Speaking about sugarcrm, one probably shouldn't forget about trixbox.

Other search terms related to sugarcrm and their ratings are:
★★★★★ trixbox
You have in mind a companion for sugarcrm and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sugarcrm in all years. Click on graph for more.
sugarcrm
salesforce
vtiger