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BKChem

BKChem

BKChem is an open source 2D molecule editor written in Python. It has a wealth of features but is simple to use.

 BKChem 0.13.0

Price
Free to download

Size
0.9MB
License

GNU GPL v2

Developer
Beda Kosata

Website
bkchem.zirael.org

System Requirements
Python 2.5 or higher

Support:
FAQ, Wiki, YouTube, Savannah Project Page

Selected Reviews:

Features include:

  • Drawing:
    • Bond-by-bond drawing
    • Bond lenght and angle restrictions to assist with the drawing
    • Ready to use templates of common rings
    • Ability to expand common groups from abbreviated to structural form
    • Support for linear formulas (such as -CH2CH(COOCH3)2)
    • Radicals, charges...
    • Arrows (several types - normal, retro, equilibrium, etc.)
    • Rich text
    • Color support
    • Simple vector graphics (rectangles, circles, polygons etc)
  • Editing:
    • Unlimited undo and redo capabilities
    • Aligning
    • Scaling
    • Rotation (2D, 3D)
    • Aligning of molecules so that particular bond is horizontal/vertical
    • Rotation of molecular fragments around bonds (conformation changes)
    • Definition of personal preferred drawing style (bond lenghts, widths, colors...)
  • Export:
    • SVG (native data are transparently embedded into SVG file), OpenOffice Draw format, ODF (OpenOffice 2.0) format, Encapsulated PostScript, and PDF
    • Basic support for both CML1 and CML2
    • Molfiles
    • Generation of SMILES
  • Import:
    • Basic support for both CML1 and CML2
    • Molfiles
    • SMILES (subset)
    • INChI (subset)
  • Localization support (currently English, French, Czech, Polish, German and Traditional Chinese translations are available)
  • XML based
  • Validity checking of drawn structures
  • Support for user written plugins. A BKChem plugin in general consists of two main parts: a short XML file describing the plugin, and a Python script that represents the actual code
  • Support for user written batch scripts
  • Searching for BKChem files containing specified molecules or molecule fragment

BKChem in action

Return to Chemistry Tools Home Page

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Last Updated Monday, May 25 2015 @ 12:36 PM EDT


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