Who is MailViewer for?

MailViewer is a consumer product built for users needing to view email files outside of email clients.

Does MailViewer have a free plan?

Yes — MailViewer is free to use.

What platforms does MailViewer run on?

MailViewer runs on the web and Linux.

Is MailViewer still active?

Unverified. MailViewer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who makes MailViewer?

MailViewer is developed by Alexandre Del Bigio.

How long has MailViewer been around?

MailViewer first shipped in 2022.

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MailViewer

Name: MailViewer
Author: Alexandre Del Bigio

FlathubEmail clients

MailViewer is a GNOME desktop application that enables users to open, read, and decode .eml and .msg email files, including attachments and HTML content. It provides a simple graphical interface for users who need to access email files without installing a full email client.

FreeWebLinux

Visit Flathub

Overview

5 features

In the Email clients space, MailViewer takes a focused approach. It allows users to easily open and read email files without needing an email client. It is built as a consumer product for users needing to view email files outside of email clients. It is available for free. It runs on the web and Linux.

Behind MailViewer is Alexandre Del Bigio, and it first shipped in 2022. Key capabilities include EML file viewing, MSG file viewing, and attachment support.

Summary written by a language model from the project’s public pages.

EML file viewing
MSG file viewing
Attachment support
HTML rendering
Plain text support

Built with & integrations

Runs on

BrowserLinux

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed14 Jun · 22:04 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about MailViewer

What does MailViewer do?: MailViewer allows users to easily open and read email files without needing an email client. It is catalogued under Email clients on PulseGate.
Who is MailViewer for?: MailViewer is a consumer product built for users needing to view email files outside of email clients.
Does MailViewer have a free plan?: Yes — MailViewer is free to use.
What platforms does MailViewer run on?: MailViewer runs on the web and Linux.
Is MailViewer still active?: Unverified. MailViewer has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes MailViewer?: MailViewer is developed by Alexandre Del Bigio.
How long has MailViewer been around?: MailViewer first shipped in 2022.

At a glance

Platforms: Desktop
Languages: English
Built for: users needing to view email files outside of email clients
Model: B2C
Solves: Allows users to easily open and read email files without needing an email client.

Registered as

Flathub: io.github.alescdb.mailviewer

Developer

Alexandre Del Bigio

Live coverage

Identity confidence: Medium · 71.6
Indexed: 14 Jun 2026
Lifecycle: Unverified
Last seen: 14 Jun 2026

Identity audit (12)

Slug: mailviewer-flathub-org
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by the 2026 taxonomy migration.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 5 Aug 2026
Canonical URL: https://flathub.org/apps/io.github.alescdb.mailviewer

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