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Software · Photo & graphics

Musa CAD

Fast, precise 2D drafting.

  • Completely free
  • Windows and Linux
  • Open source
  • No account

Overview

Features described in its Flathub listing, in its GitHub repository and on its official website: hardware acceleration.

File formats mentioned: PDF, DXF and DWG.

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
  • “High-performance, multi-threaded 2D CAD in modern C++23 — AutoCAD-style ribbon UI, GPU-accelerated 144 Hz+ viewport, own geometry kernel, DXF/DWG, and true vector PDF plotting.” — GitHub, 10 November 2026
  • “DWG through the free ODA File Converter” — Flathub, 10 November 2026

At a glance

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

Its licence (LGPL-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
  • No account needed
  • Commercial use allowed

About

Musa CAD is a 2D drafting application for technical, architectural and engineering drawings. It follows AutoCAD's ribbon, command line, prompts and shortcuts, so a drafter's habits carry over, and its multi-threaded, GPU-accelerated core keeps even large drawings smooth to pan, zoom and edit. Features: Lines, polylines with widths, arcs, circles, ellipses, splines, hatches and gradients Move, copy, rotate, scale, stretch, trim, extend, fillet, offset and arrays, with grips Object snaps, polar and object snap tracking, and dynamic input at the cursor Dimensions, leaders, text, tables and geometric tolerancing Layers, linetypes, lineweights, blocks with attributes and external references Layouts with viewports, and plotting to PDF or a printer DXF read and write; DWG through the free ODA File Converter Several drawings open at once in tabs

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Unspecified source (platforms) —
  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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