Kolibri Learning Platform: the offline app for universal education
C-Rank Grade: A (Welcoming) - 63/100
External PR Merge Rate: 75%
Response Time: 2d
First Timer Success: 46%
learningequality/kolibri has a recorded first-timer success rate of 46.2%. Repositories ranked A typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in learningequality/kolibri respond to incoming external pull requests in approximately 44.3 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 63.2 places learningequality/kolibri in the A tier.
The external contributor pull request merge rate for learningequality/kolibri is 74.7%, based on public PR activity from non-core contributors.
learningequality/kolibri currently has 14 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Highly welcoming maintainers in learningequality/kolibri. Prompt code reviews with positive guidance for new contributors.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
[](https://getmerged.abhishekco.de/learningequality/kolibri?utm_source=github&utm_medium=badge)
Historical health & responsiveness evolution
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
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Maintainers are most responsive around 22:00 UTC (22:00 UTC in your timezone). Recommended submission window is Tuesday - Thursday from 19:00 to 23:00 UTC (19:00 - 23:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~29 hours (93% approval). Large PRs (>500 lines) take ~213 hours (34% approval). Keep your diff compact for rapid review.
🙂 Looking for an issue? Welcome! This issue is open for contribution. If this is the first time you’re requesting an issue, please: Read Contributing guidelines carefully. Pay extra attention to Using generative AI. Pull requests and comments that don’t follow the guidelines won’t be answered. Confirm that you’ve read the guidelines in your comment. Overview Replace the 12 $computedClass calls in 7 QTI, media player and EPUB viewer components with <style> block rules. Follow the Guidance and Strategy in the parent issue. Complexity: Medium Target branch: develop The Change qti_viewer/frontend/components/interactions/InlineChoiceInteraction.vue qti_viewer/frontend/components/interactions/SimpleChoice.vue qti_viewer/frontend/components/interactions/TextEntryInteraction.vue media_player/frontend/views/AudioPlayer.vue media_player/frontend/views/AudioPlayerControls.vue (5 calls) media_player/frontend/views/MediaPlayerTranscript/TranscriptCue.vue epub_viewer/frontend/views/S
🙂 Looking for an issue? Welcome! This issue is open for contribution. If this is the first time you’re requesting an issue, please: Read Contributing guidelines carefully. Pay extra attention to Using generative AI. Pull requests and comments that don’t follow the guidelines won’t be answered. Confirm that you’ve read the guidelines in your comment. Overview Replace the 6 $computedClass calls in the 4 picture password components with <style> block rules. Follow the Guidance and Strategy in the parent issue. Complexity: Low Target branch: develop The Change kolibri/plugins/user_auth/frontend/views/SignInPage/PictureSignIn/PicturePasswordConfirmModal.vue kolibri/plugins/user_auth/frontend/views/SignInPage/PictureSignIn/PicturePasswordGrid.vue kolibri/plugins/user_auth/frontend/views/SignInPage/PictureSignIn/PicturePasswordOption.vue packages/kolibri-common/components/UserPicturePassword.vue Acceptance Criteria No $computedClass call remains in these components. Hover,
🙂 Looking for an issue? Welcome! This issue is open for contribution. If this is the first time you’re requesting an issue, please: Read Contributing guidelines carefully. Pay extra attention to Using generative AI. Pull requests and comments that don’t follow the guidelines won’t be answered. Confirm that you’ve read the guidelines in your comment. Target branch: develop Observed behavior the masterylog diff endpoint returns a 500 when either of the two tries it compares has a null time_spent time_spent is null on purpose for tries recorded before logger migration 0011 Errors and logs File "kolibri/core/logger/viewsets/mastery_log.py", line 109, in diff "time_spent": target_try["time_spent"] - previous_try["time_spent"], TypeError: unsupported operand type(s) for -: 'float' and 'NoneType' Expected behavior the diff loads and the time_spent difference is null when one of the values is unknown User-facing consequences coaches and learners cant open the quiz or exerci
🙂 Looking for an issue? Welcome! This issue is open for contribution. If this is the first time you’re requesting an issue, please: Read Contributing guidelines carefully. Pay extra attention to Using generative AI. Pull requests and comments that don’t follow the guidelines won’t be answered. Confirm that you’ve read the guidelines in your comment. Overview Loading or refreshing the Coach "Edit lesson details" or quiz preview URL renders the lesson or quiz summary page instead. Navigating there from within the app works, so the bug shows on reload, on a bookmarked or shared link, and when the browser restores a tab. Complexity: Low Target branch: develop Context The LESSON_SUMMARY route CLASS + LESSON + '/:tabId?' (lessonsRoutes.js#L86) is declared before CLASS + LESSON + '/edit' (#L145), so /edit resolves to LESSON_SUMMARY with tabId: 'edit'. EXAM_SUMMARY's CLASS + QUIZ + '/:tabId?' (examRoutes.js#L165) shadows CLASS + QUIZ + '/preview' (#L198) the same way. The Chan
🙂 Looking for an issue? Welcome! This issue is open for contribution. If this is the first time you’re requesting an issue, please: Read Contributing guidelines carefully. Pay extra attention to Using generative AI. Pull requests and comments that don’t follow the guidelines won’t be answered. Confirm that you’ve read the guidelines in your comment. Overview getLearningActivityIcon is defined twice in kolibri-common. The useLearningActivities composable's version returns Solid icons, and utils/learningActivityIcon.js returns Shaded icons. The two should become one function in the composable. Complexity: Low Target branch: develop Context useLearningActivities.js maps a learning activity value (e.g. 'UD5UGM0z') to a Solid icon name (watchSolid). learningActivityIcon.js derives a Shaded icon name (watchShaded) from a learning activity key (e.g. 'WATCH'), with EXPLORE mapping to interactShaded. The Change getLearningActivityIcon in useLearningActivities should take an op
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When evaluating whether to contribute to learningequality/kolibri, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of learningequality/kolibri acknowledge new external contributions in approximately 1 days+. Out of all submitted pull requests from non-core authors in the last 180-day window, 74.7% were successfully merged into the primary branch.
learningequality/kolibri has a recorded first-timer success rate of 46.2%. Repositories ranked Welcoming typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~1 days+. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 63.2 places learningequality/kolibri in the Welcoming tier.
The external pull request merge rate is 74.7%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, learningequality/kolibri currently has 14 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for learningequality/kolibri are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.