Arrow left and right: switch to the adjacent tool in the overview. Arrow up and down scroll the page.

UnInbox

UnInbox

Freemium

Collaborative email tool for teams with shared inboxes and workflows

Visit Website
Hearts Heat (0–100)
1,755 StarsNOASSERTIONFeb 11, 2026Since Jun 202342 open issues

AI Summary

UnInbox is a collaborative email platform that enables teams to manage emails together. With shared inboxes, unlimited email addresses, and integrated workflows, teams can communicate transparently and track email status. The tool is open source and offers modern features like comments, assignees, and API access.

Screenshot of UnInbox website

Pros

  • +Open source and transparently available
  • +Unlimited email addresses per domain possible
  • +Integrated workflow features and team collaboration
  • +Free starter package available

Cons

  • Free plan has only 7 days email retention
  • Enterprise plan requires at least 30 users

Use Cases

  • Team management of support emails with transparent workflows and status tracking
  • Centralized management of multiple department email addresses (Sales, HR, Support) in one platform
  • Collaborative handling of customer inquiries with comments and assignments
  • Building structured email processes for startups and modern companies

Who is it for?

For modern teams and startups that manage emails together and need structured workflows for customer inquiries.

Tags

Platform: web, self-hosted
Pricing: Freemium

What is UnInbox?

UnInbox is a collaborative email platform for teams that need to respond to incoming messages together. Instead of classic forwarding chains or shared passwords, the tool consolidates all relevant addresses in a single interface, tracks the status of each conversation, and makes visible who is working on what. The project is open source, with the code publicly available.

Core features

  • Shared Inboxes: Multiple addresses on a domain (such as support@, sales@, hr@) flow into a central place, without team members having to maintain separate mailboxes.
  • Assignments and comments: Each email can be assigned to a person. Internal comments allow coordination directly within the thread.
  • Status tracking: Conversations get a processing status, so open requests do not accidentally get overlooked.
  • Unlimited email addresses: Any number of addresses can be created per domain, with no additional cost per address.
  • API access: An API is available for teams that want to integrate email processing into their own workflows.
  • Free entry point: A no-cost starter package is available. Email retention is limited to 7 days on that plan, so older messages are no longer retrievable after that point.

Who is UnInbox for?

The tool is aimed at teams that handle customer inquiries, job applications, or partner requests together and depend on transparency in doing so. Startups without a dedicated helpdesk budget benefit in particular from the starter plan. Teams that need message archives longer than a week will have to move to a paid plan. The Enterprise plan requires at least 30 users, which rules it out for smaller teams.

Context & alternatives

UnInbox fills the gap between simple group mailboxes and full helpdesk solutions. Tools like Front or Missive offer similar collaborative inbox concepts, but are fully proprietary and target mid-sized teams with their pricing. The open-source nature of UnInbox allows teams with their own hosting expertise to run the platform themselves, keeping control over their data. That is the concrete difference that determines the platform choice.

Related Tools

Meooow! Want tool tips by email?

Yes, please!