Software · Photo & graphics

Octet-Draw

Free, open-source chemical drawing for Mac, Windows and Linux. Opens and saves ChemDraw files (CDXML, CDX). Works offline.

Completely free
Open source
No account

Overview

Features described in its GitHub repository: offline use.

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

“Works offline.” — GitHub, 10 November 2026

At a glance

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

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) — 8 November 2026
Last technical check: 8 November 2026
Description from github.com — Dépôt GitHub SamChemMan/Octet-Draw (Apache-2.0)

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