Assembly Line

Gmail (Google Workspace)

Stay on top of your inbox and keep your business safer with the secure, smart and easy-to-use Gmail.

Gmail (Google Workspace) is commercial email server software made by Google. It was first released in 2004. Its English Wikipedia article has about 90k readers a month on phones.

Made by
Google
Since
2004
Wikipedia readers on phones
90k a month
Source code
Closed

Website Wikipedia

Judgement

What it is
Complete system
What it does
Business email on your own domain using Gmail, with spam filtering, shared calendars and admin controls through Google Workspace.
Adopt it when
A business wants reliable hosted email with strong spam filtering and works mostly in the browser.
Watch out
Moving away later is a chore, and shared mailboxes and delegation are weaker than in Exchange.
Ready for
Production-ready
Runs as
Cloud service and mobile app
What the license allows
Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

Compare Gmail (Google Workspace)

Open-source alternatives to Gmail (Google Workspace)

  1. 1
    Docker Mailserver docker-mailserver

    Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

    Complete system Production-ready You want a simple self-hosted mail server without a web admin panel.

    ★ 20k MIT Shell Active, pushed today
  2. 2
    Mailcow-dockerized mailcow

    mailcow: dockerized - 🐮 + 🐋 = 💕

    Complete system Production-ready You want to host email for several domains yourself with a full admin interface.

    ★ 14k GPL-3.0 JavaScript Active, pushed yesterday
  3. 3
    Roundcubemail roundcube

    The Roundcube Webmail suite

    Complete system Production-ready You run an IMAP server and need a dependable webmail front end.

    ★ 7.3k GPL-3.0 PHP Active, pushed 8 days ago
  4. 4
    WebClients ProtonMail

    Monorepo hosting the proton web clients

    Complete system Production-ready You want to audit or contribute to Proton's client code; to use Proton, sign up for the hosted service.

    ★ 5.7k GPL-3.0 TypeScript Active, pushed today
  5. 5
    Cypht cypht-org

    Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

    Complete system Production-ready You want a lightweight self-hosted webmail that aggregates mailboxes from different providers.

    ★ 1.8k LGPL-2.1 PHP Active, pushed today
  6. 6
    Nextcloud Mail nextcloud

    💌 Mail app for Nextcloud

    Integration Production-ready Your team works in Nextcloud and wants email in the same interface as files and calendar.

    ★ 1.1k AGPL-3.0 JavaScript Active, pushed today
  7. 7
    MailFlow maathimself

    A self-hosted, unified webmail client.

    Complete system Usable You juggle several mail accounts and want one self-hosted web interface for them.

    ★ 628 AGPL-3.0 JavaScript Active, pushed today
  8. 8
    KumoMTA KumoCorp

    The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.

    Complete system Production-ready You send millions of emails and want an open alternative to commercial MTAs such as PowerMTA.

    ★ 571 Apache-2.0 Rust Active, pushed 4 days ago
  9. 9
    Webmail-lite-8 afterlogic

    Open-source webmail script for existing IMAP server

    Complete system Production-ready A host or small company wants a free webmail front end on its own IMAP server, maintained by a commercial vendor.

    ★ 363 AGPL-3.0 Shell Active, pushed 7 days ago
  10. 10
    Mailez mailez-hq

    Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

    Complete system Experimental You want an all-in-one mail server with modern webmail and are prepared to test a very new project thoroughly first.

    ★ 294 AGPL-3.0 Go Active, pushed 20 days ago

Every alternative to Gmail (Google Workspace)

Other commercial email servers and webmail

  1. 1
    Proton Mail Proton AG

    Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

    Complete system Production-ready Privacy is your first concern and you want encrypted email, especially between Proton users.

    12k readers a month Since 2014 Commercial
  2. 2
    Fastmail Fastmail Pty Ltd

    Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

    Complete system Production-ready An individual, family or small business wants fast, private email on its own domain without Google or Microsoft.

    586 readers a month Since 1999 Commercial
  3. 3
    Microsoft Exchange Online Microsoft

    Complete system Production-ready An organisation uses Outlook and Microsoft 365 and needs shared mailboxes, resource calendars and compliance controls.

    Commercial
  4. 4
    Zoho Mail Zoho Corporation

    Ad-free Business Email Hosting with a clean, easy-to-use interface. Secure & professional with integrated business Calendar, Contacts, Notes & Tasks.

    Complete system Production-ready A small business wants low-cost email on its own domain, particularly if it uses other Zoho apps.

    Commercial

Under it

Every program, Gmail (Google Workspace) included, runs on a microchip.

How compilers were built, back to punched paper tape

The description is the maker's own, quoted as written. Facts come from Wikipedia and refresh weekly. Readers are counted on Wikipedia's mobile site only, because automated traffic that Wikimedia does not flag inflates desktop counts.