EasyChem

• 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

• Yes, according to the manual: Single, double and triple bonds can be created and edited. Opens the cited page.Single, double and triple bondsSingle, double and triple bonds can be created and edited.sourceforge.net
• Partly: Solid and hashed wedges only; no wavy bond type. Opens the cited page.Wedge, hash and wavy bondsSolid and hashed wedges only; no wavy bond type.sourceforge.net
• Not establishedDative, hydrogen and quadruple bonds
• No: Double bonds are always drawn centered. Opens the cited page.Choose double-bond sideDouble bonds are always drawn centered.sourceforge.net
• Partly: Regular rings with 3–10 sides; aromatic bonds require manual editing. Opens the cited page.Ring toolsRegular rings with 3–10 sides; aromatic bonds require manual editing.sourceforge.net
• Not establishedChair and Haworth rings
• No: One-step carbon-chain drawing is listed as a future feature. Opens the cited page.Chain toolOne-step carbon-chain drawing is listed as a future feature.sourceforge.net
• No: A library of predrawn elements is listed as a future feature. Opens the cited page.Template libraryA library of predrawn elements is listed as a future feature.sourceforge.net
• Not establishedSave your own templates
• Not establishedGroup abbreviations
• Yes, according to the manual: Charges and isotopes drawn as formatted atom-label text. Opens the cited page.Charges, isotopes and atom labelsCharges and isotopes drawn as formatted atom-label text.sourceforge.net
• Yes, according to the manual: Radical, lone-electron and lone-pair ornaments attach to atoms or bond ends. Opens the cited page.Radicals and lone pairsRadical, lone-electron and lone-pair ornaments attach to atoms or bond ends.sourceforge.net
• Not establishedKeyboard drawing
• Partly: Rectangle selection and rotate/flip; lasso remains a planned feature. Opens the cited page.Lasso select and transformsRectangle selection and rotate/flip; lasso remains a planned feature.sourceforge.net
• Not establishedTilt drawings in perspective

Reactions and mechanisms

• Yes, according to the manual: Straight arrows support full heads at either or both ends. Opens the cited page.Reaction arrowsStraight arrows support full heads at either or both ends.sourceforge.net
• Yes, according to the manual: Editable three-point arcs support full or half arrowheads. Opens the cited page.Curved mechanism arrowsEditable three-point arcs support full or half arrowheads.sourceforge.net
• Not establishedMachine-readable reactions
• Not establishedAtom mapping
• Yes, according to the manual: Chemical symbols menu includes electron pairs, radicals, and vacancies. Opens the cited page.Orbitals and symbolsChemical symbols menu includes electron pairs, radicals, and vacancies.svn.code.sf.net

Figures and layout

• Partly: Bold/italic and scripts supported; canvas font family fixed to Serif. Opens the cited page.Rich text captionsBold/italic and scripts supported; canvas font family fixed to Serif.sourceforge.net
• Yes, according to the manual: Editable circles and three-point circular arcs. Opens the cited page.Shapes, brackets and curvesEditable circles and three-point circular arcs.sourceforge.net
• Yes, according to the manual: Selected objects align horizontally and vertically. Opens the cited page.Align and distributeSelected objects align horizontally and vertically.sourceforge.net
• Yes, according to the manual: Group and ungroup selected objects. Opens the cited page.Group and ungroupGroup and ungroup selected objects.sourceforge.net
• No: Cleanup only removes duplicate objects and empty groups. Opens the cited page.2D structure cleanupCleanup only removes duplicate objects and empty groups.sourceforge.net
• Not establishedJournal drawing styles
• Not establishedReusable custom styles
• Yes, according to the manual: Individual bonds and text objects have editable colors. Opens the cited page.Color controlIndividual bonds and text objects have editable colors.sourceforge.net
• Partly: Raw Pango markup enables atom-label backgrounds; EPS export loses highlighting. Opens the cited page.Color highlightingRaw Pango markup enables atom-label backgrounds; EPS export loses highlighting.sourceforge.net
• Partly: Drawing width and height configurable; no multipage document model. Opens the cited page.Page layout and multipageDrawing width and height configurable; no multipage document model.sourceforge.net
• Not establishedImported pictures
• Not establishedTLC plates and tables

Chemistry intelligence

• Not establishedStructure checking
• Not establishedR/S and E/Z labels
• Not establishedFormula and mass
• Not establishedProperty estimates
• Not establishedName to structure
• Not establishedStructure to name
• Not establishedNMR prediction
• Not establishedR-groups and query structures
• Not establishedPolymers and repeat units
• Not establishedPeptides and nucleic acids
• Not establishedImage to structure
• Not establishedOnline structure lookup
• Not established3D model view
• Not establishedCrystal structures

Files and exchange

• Not establishedCDXML import and export
• Not establishedCDX import and export
• Not establishedMOL and SDF
• Not establishedSMILES
• Not establishedInChI
• Not establishedRXN files
• Not establishedSVG export
• Yes, according to the manual: Vector EPS converted through Ghostscript; Unix builds only. Opens the cited page.PDF exportVector EPS converted through Ghostscript; Unix builds only.sourceforge.net
• No: PNG export is listed as a future feature. Opens the cited page.High-resolution PNGPNG export is listed as a future feature.sourceforge.net
• Not establishedPaste to and from ChemDraw
• Not establishedEditable in Word or PowerPoint
• Not establishedWindows Office OLE

APIs and automation

• Not establishedPython API
• Not establishedJavaScript or TypeScript API
• No: Command line opens files in GUI; no headless conversion. Opens the cited page.Command-line toolCommand line opens files in GUI; no headless conversion.sourceforge.net
• Not establishedAI agent control
• Not establishedBuilt-in AI assistant

Embedding and extension

• Not establishedPlugins
• Not established: Standalone GTK editor; no reusable editor API confirmed.Embed in your own appStandalone GTK editor; no reusable editor API confirmed.sourceforge.net