CiviCRM - A Constituent relationship management for the Civic Sector
Spotio - The App for Tracking Door-to-Door Sales
WORKetc CRM - All-in-one business management system. CRM + Social + Projects + Billing
Sales Rabbit - Sales Rabbit is the industry standard canvassing and door to door sales app.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.
Resco Mobile CRM - Resco is one of the global leaders on the mobile CRM market.