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MDEZ++

MDEZ++ is a Markdown editor, available on Linux: Markdown support.

  • Completely free
  • Linux
  • Open source

Overview

MDEZ++ is a Markdown editor, available on Linux.

Features described in its Flathub listing and in its GitHub repository: Markdown support.

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
  • “Lightweight Markdown Editor” — Flathub, 10 November 2026
  • “Lightweight Markdown Editor” — Flathub, 10 November 2026

At a glance

All of MDEZ++ 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
  • Commercial use allowed

About

MDEZ++ (mdez) is an open-source, lightweight, cross-platform C++20 and Qt GUI Markdown editor. Instead of a WYSIWYG editor, MDEZ++ renders a real-time live preview of your text in a split-screen pane using a fast, native, and minimal GUI. MDEZ++ can also edit any text-based file format, including HTML, plain text, and code files, making it highly versatile.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 9 November 2026
  • Description from Flathub — AppStream (Flathub)

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