开源的全渠道客户支持平台，Intercom 与 Zendesk 的替代。
Open-source alternatives to Zendesk
Customer support and ticketing system
Zendesk website ↗3 open-source alternatives
开源的 Web 工单与客服系统，支持邮件、电话、聊天等多渠道。
基于 Frappe 的开源客服工单系统，简洁易用。
Open-source alternatives to similar software
E-commerce store building and management
CRM customer relationship management
Automated workflows that connect all kinds of apps
Customer support tickets and help desk
Google's email service
All-in-one CRM for marketing, sales and customer service
Small-business accounting and bookkeeping
E-signatures and contract workflows