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Top 6 Alternative OpenSource for EMAIL in Customer Support 2025
chatwoot


chatwoot
Customer supportOpen-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
165.3K
visitfreescout


freescout
Customer supportFreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative)
25.3K
visitnovu

novu
Customer supportOpen-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.
postal

postal
Email management📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail