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Self-hosted alternatives to Missive

Missive is a team email app with shared inboxes, internal discussion inside email threads, tasks and automation rules. One listed app does its main job and runs in your own Cloudflare account.

Each answer comes from the app’s README and source code, compared with the features Missive describes on its own site.

  • ResolveHQ three-pane inbox with ticket queues, an open ticket thread and an internal note

    Email helpdesk for support teams of one to fifteen people who have outgrown group email

    Deploy
    One-click
    License
    ResolveHQ Source-Available License
    GitHub stars
    202 stars
    Last commit

Missive features, app by app

FeatureResolveHQ
Shared inbox for team emailYes
Internal discussion inside email threadsPartly
Shared team spaces with tasksNo
Task conversion and trackingNo
Automation rulesPartly
Integrations with other toolsPartly
Templated repliesYes
AI assistant that drafts repliesPartly

Email helpdesk for support teams of one to fifteen people who have outgrown group email

What a Missive user would miss
It has no team chat, shared drafts or tasks, and it is a ticket help desk rather than a collaborative email client.
What it adds
Tickets and attachments stay in your own D1 database and R2 bucket, with signed webhooks, scoped API keys and a read-only MCP server.
  • Yes Shared inbox for team email. Three-pane shared inbox with tickets, assignment, status, priority, tags and full-text search.
  • Partly Internal discussion inside email threads. Internal notes in the ticket thread, no team chat.
  • No Shared team spaces with tasks. No shared spaces with tasks found.
  • No Task conversion and tracking. No task tracking found.
  • Partly Automation rules. Rules set priority, status, assignee and tag on new tickets and inbound mail.
  • Partly Integrations with other tools. Signed webhooks, Slack and Telegram notifications and scoped API keys, no integration directory.
  • Yes Templated replies. Saved replies.
  • Partly AI assistant that drafts replies. Opt-in AI summaries and reply drafts.

Sources:github.com/mirza-rizvi/resolvehq/blob/dev/README.mdworkersnative.directory/api/apps/resolvehq