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Software · 3D, CAD & electronics

MegaMesh

3D model viewer.

  • Completely free
  • Linux
  • Open source

Overview

Features described in its Flathub listing: hardware acceleration.

File formats mentioned: STL and FBX.

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
  • “MegaMesh is a 3D model viewer with fast GPU accelerated rendering and support for a variety of mesh formats.” — Flathub, 10 November 2026

At a glance

MegaMesh is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

MegaMesh is a 3D model viewer with fast GPU accelerated rendering and support for a variety of mesh formats. Key features: Custom Vulkan based renderer Support for OBJ, FBX, STL and other popular formats Customizable, per object, material properties Rendering in color, normals, wireframe and barycentrics modes Flexible camera controls including adjustable speed, orbiting and free flight Support for loading multiple models onto the scene

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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