Popular alternatives include Zendesk Support, Zoho Desk, Tidio Helpdesk, Desky and BoldDesk.
Key factors include Multi-Channel Communication, Macros (Templated Responses), Customizable Branding, Ticket Management, Contract (SLA Management) and pricing.
Tools like SysAid, LiveAgent, Help Scout, Zoho Desk and Freshdesk are best for small businesses for Help Desk Software.