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Chemical Drawing Atlas

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MolGenDraw

A Windows application for drawing molecular structures and editing multi-record SDF and SMILES databases.

WebsiteManualGitHub

Free. 14 of 65 checklist features confirmed.

Main canvas

Needs Windows

light mode

Needs Windows

dark mode

Default drawings

Needs Windows

Caffeine

Needs Windows

Paclitaxel

Needs Windows

Cholesterol in 3D

Facts

GitHub stars
0 stars on 6 Nov 2026
First commit
27 Jul 2026
Repository activity
17 commits, 1 contributor, last push 30 Oct 2026
Latest version
v1.176
Runs on
Windows
License
Proprietary freeware; all rights reserved.
Price
Free
Relies on
RDKit. Vendor documents RDKit; canvas provenance is not publicly established.
Chemistry from
RDKit
Interface
PySide6
Main language
C++
Other languages
Python: Application and custom Pillow 3D renderer; Java: Local OPSIN name parsing
Renderer
Borrowed: RDKit MolDraw2D Cairo
Third-party licenses
Not established
Download
150 MB

Features

  • Tested by running it
  • Seen in the app
  • The manual says yes
  • Partly, with the reason shown
  • Not supported
  • Not established, which is not the same as no

Select a mark for its proof. A filled mark opens our screenshot, or the manual if the check left nothing to picture. A ring opens the manual.

Drawing structures

Reactions and mechanisms

Figures and layout

Chemistry intelligence

Files and exchange

APIs and automation

Embedding and extension

  • Not establishedPlugins
  • Not established: Standalone Windows executable; no embedding interface documented.Embed in your own appStandalone Windows executable; no embedding interface documented.github.com

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