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Software · Education & science

Molsketch

2D Molecular Structures Editor.

  • Completely free
  • Linux
  • Open source

Overview

Features described in its Flathub listing: PDF export.

File formats mentioned: SVG and PDF.

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
  • “Print and export your document to PDF” — Flathub, 10 November 2026

At a glance

All of Molsketch is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-2.0) 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

Molsketch is a program for drawing two-dimensional schematic representations of molecules. The goal of the program is to make this quick and easy, without sacrificing the resulting quality. Of course your creations can be used afterwards as vector or bitmap image in any document, presentation or website. Some of the features of Molsketch are: Creating regular and consistent bonds easily with tools as a dynamic grid and magnetic atoms Open, save and import in all formats supported by the OpenBabel™ library Export to Scalable Vector Graphics (SVG) and a number of common used bitmap formats Print and export your document to PDF Intelligent addition/removal of hydrogen atoms Real-time information about the molecule, like charge and weight Built-in library for quick access to regularly used molecules and functional groups

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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