Popular alternatives include SpiceCSM Engagement Suite, Emma, monday sales CRM by monday.com, Contactspot and Whois Database.
Key factors include Shared Contacts, Search (Filter), Prospecting Tools, Group Management, Customer Pipeline and pricing.
Tools like Zoho ContactManager, Less Annoying CRM, IXACT Contact, SqueezeCMM and Stinto are best for small businesses for Contact Management Software.