Best open-source Shared inbox

Ranked picks

1. 1

   Chatwoot

   Shared inbox plus live chat — the c17 Hiver / Help Scout / Front / Missive path. /compare/chatwoot-vs-freescout.

   When to pick it: Email and chat in one desk you host.

2. 2

   FreeScout

   AGPL-3.0 helpdesk and shared mailbox. /compare/chatwoot-vs-freescout.

   When to pick it: A mailbox if Chatwoot is not the shape.

   4,618 stars in the catalog

3. 3

   Zammad

   AGPL-3.0 email tickets already on /best/helpdesk. /compare/chatwoot-vs-zammad.

   When to pick it: Email-first tickets, not a Hiver Gmail layer.

   6,025 stars in the catalog

4. 4

   osTicket

   GPL-2.0 classic ticketing (osTicket/osTicket).

   When to pick it: A small ticket box if FreeScout is not the PHP you want.

   3,994 stars in the catalog

How they compare

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• Replace Zoho Desk
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• Replace Missive
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• Chatwoot vs FreeScout
• All best open-source pages
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• Tools catalog

FAQ

Chatwoot or FreeScout?

Chatwoot if you want the published Hiver / Help Scout path. FreeScout if you want that AGPL mailbox — /compare/chatwoot-vs-freescout.

Hiver or Missive?

Same published inbox — /replace/hiver and /replace/missive.

Is this a live-chat widget?

The bubble stays on /best/live-chat-widgets. This page is the shared mailbox.

Are these free?

Chatwoot community is MIT Expat if you skip enterprise/. FreeScout and Zammad are AGPL-3.0. osTicket is GPL-2.0. You pay hosting. Template users never pay c17.

How do I deploy it?

Open /stacks/chatwoot-support. Persist the database. Connect one mailbox.