epam/ketcher

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Web-based molecule sketcher

Stars: 884
Forks: 262
Open beginner issues: 0
Indexed issues: 869
Avg merge: 2d 18h
Merged PRs (30d): 138

Dominant language: TypeScript
License: Apache-2.0
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Open All

866 open issues indexed

Update unit tests Open

technical debt

epam/ketcher#77 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Ketcher API: review & rework Open

enhancement

epam/ketcher#88 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Review work with redux store Open

technical debt

epam/ketcher#94 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Change behavior for adding templates (on atoms bonds) Open

enhancement

epam/ketcher#98 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add polyline simple object Open

enhancement epic: simple objects

epam/ketcher#140 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add warning message while attempting to apply Auto-Mapping to incorrect structures Open

enhancement User`s Feedback

epam/ketcher#171 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
A selection frame should appear around R-Group definition and logic Open

enhancement

epam/ketcher#200 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Incorrect response is received for files of .tif format when importing from image is used Open

3.7.0-rc.1 confirmed external Priority: Low

epam/ketcher#222 · 4 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Add support for highlighted structure in ket format Open

enhancement epic: internal format

epam/ketcher#224 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
User can create incorrect S-Group but can't save and warning message doesn't appears. Open

epam/ketcher#245 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
'Calculated Values' - Error message doesn't appear for Structure with query features Open

3.7.0-rc.1 confirmed external Priority: Low

epam/ketcher#302 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Incorrect selection in reactions Open

epic: internal format external

epam/ketcher#319 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
As soon as user changes the structure stereoconfiguration marks should be removed Open

enhancement epic: enhanced stereochemistry Stereochemistry

epam/ketcher#539 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
SVG Viewbox sizes are different in remote and standalone modes Open

external

epam/ketcher#570 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Mapping numbers are overlapped if atoms are close to each other Open

3.7.0-rc.1 confirmed Priority: Low

epam/ketcher#637 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Allenes are mapped incorrectly using Reaction Auto-Mapping Tool Open

3.17.0-rc.1 confirmed external Priority: Medium

epam/ketcher#638 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Mapping numbers from the biggest one are used when Auto-Mapping Tool is applied Open

external

epam/ketcher#639 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Clean Up action does not work with selected structures in distorted reactions Open

3.7.0-rc.1 confirmed epic: internal format external Priority: Low

epam/ketcher#673 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Limitation of the S-group when saving in MolV3000 Open

enhancement epic: internal format

epam/ketcher#702 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add ability to create S-Groups with other S-Groups inside Open

draft enhancement

epam/ketcher#784 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add ability to move different windows around the program window Open

draft enhancement

epam/ketcher#810 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
'S-Group Properties' window - 'Relative' radio button is checked by default Open

draft enhancement

epam/ketcher#867 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Rename one of the 'S-Group Properties' window Open

draft enhancement

epam/ketcher#868 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Custom Templates - Incorrect rendering (templates can be overlapped) Open

3.17.0-rc.1 confirmed Priority: Medium Severity: Medium

epam/ketcher#888 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Different spacing between two atoms if create the same elements with the different zoom Open

3.7.0-rc.1 confirmed Priority: Low

epam/ketcher#1004 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
No correct valencies for iron triad and platinoids Open

enhancement epic: metallic bonds User`s Feedback

epam/ketcher#1078 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Create Monomer library component Open

enhancement epic: peptide MVP

epam/ketcher#1107 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Clean Up action does not work on part of structure with S-Group Open

3.17.0-rc.1 confirmed external Priority: High Severity: High

epam/ketcher#1126 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Create Add to Canvas component Open

enhancement epic: peptide MVP

epam/ketcher#1140 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add storybook for ketcher-react and ketcher-polymer-editor Open

technical debt

epam/ketcher#1186 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Refactor Icon component in ketcher-react Open

technical debt

epam/ketcher#1192 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Get or Set settings data when using ketcher-react Open

User`s Feedback

epam/ketcher#1197 · 2 comments · 2 reactions · 1 assignee · Indexed Sep 15, 2026
URL schema 'file' is not supported when loading library.sdf or fg.sdf Open

User`s Feedback

epam/ketcher#1198 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Increase RAP Switcher Component test coverage Open

technical debt

epam/ketcher#1202 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Increase Menu Component test coverage Open

epic: peptide MVP technical debt

epam/ketcher#1203 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Increase test coverage of NotationInput component Open

epic: peptide MVP technical debt

epam/ketcher#1208 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Integrate a suitable library for scroll customization Open

epic: new ux/ui technical debt User`s Feedback

epam/ketcher#1228 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
SVGs for molecules with extend smiles have non-unique symbol IDs, messing up inline on page of multiple SVG outputs from Ketcher Open

external User`s Feedback

epam/ketcher#1254 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Failed to parse source map warnings in ketcher-react with create-react-app Open

Priority: Low User`s Feedback

epam/ketcher#1256 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Redesign fonts for save structure floating window Open

enhancement epic: new ux/ui

epam/ketcher#1298 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
UX-UI Redesign: Canvas Scrolls update Open

enhancement epic: new ux/ui

epam/ketcher#1303 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Update Template panel Open

enhancement epic: new ux/ui

epam/ketcher#1310 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add possibility to hide buttons in polymer editor Open

enhancement epic: peptide MVP

epam/ketcher#1318 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Update Periodic table position Open

enhancement epic: new ux/ui

epam/ketcher#1340 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Update 'Templates' window position Open

enhancement epic: new ux/ui

epam/ketcher#1345 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Hand tool improvements with hotkeys hold mode Open

draft enhancement epic: new ux/ui

epam/ketcher#1352 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add Zoom-to-Fit option into zoom dropdown Open

enhancement epic: new ux/ui

epam/ketcher#1365 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Change ketcher/polymer editor toggle in example Open

enhancement epic: new ux/ui

epam/ketcher#1370 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Change fullscreen button in polymer editor Open

enhancement epic: new ux/ui

epam/ketcher#1371 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Draw lone electron pairs Open

question User`s Feedback

epam/ketcher#1383 · 8 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026

epam/ketcher

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