frappe
Free and Open Source Enterprise Resource Planning (ERP)
hcengineering
Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)
zammad
Zammad is a web based open source helpdesk/customer support system.
espocrm
EspoCRM – Open Source CRM Application
helpyio
Helpy is a modern, open source helpdesk customer support application. Features include knowledgebase, community discussions and support tickets integrated with email.
chaitin
KoalaQA 是一款 AI 大模型驱动的开源售后服务社区，提供 AI 回答、AI 搜索、AI 运营等能力，帮助你快速落地售后客服、社区问答、自助服务等场景，帮助团队显著降低人工运营成本、提升客户满意度与响应效率，助力实现 ZCR（Zero Contact Resolution）目标。