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Software · Internet & communication

mailbox

A native, fast Gmail client for Linux/GNOME, with AI built in. Written in Go with GTK4 + libadwaita.

  • Completely free
  • Linux
  • Open source
  • No account

Overview

mailbox is an email client, available on Linux.

Features described in its GitHub repository: offline use.

Services and protocols mentioned: IMAP.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Mailbox is a GTK4 email client written in Go.” — GitHub, 10 November 2026
  • “Mail is stored in a local database, so search is instant and reading works offline.” — GitHub, 10 November 2026

At a glance

All of mailbox is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 9 November 2026
  • Description from github.com — Dépôt GitHub jsnjack/mailbox (MIT)

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