LeadSquared - Sales and marketing automation software for businesses that sell to directly to consumers using offline, online, phone or field sales.
CiviCRM - A Constituent relationship management for the Civic Sector
Gleam - Marketing apps designed to help you grow your Business
Odoo CRM - Open Source CRM
SweepWidget - Run contests, viral giveaways, sweepstakes, leaderboard competitions, and instant rewards campaigns. Quickly grow your email list, social media followers, website traffic, and qualified leads.
Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.