CZI EOSS Program Repositories and Other Scientific Open Source Repositories
| Repository | Issues | PRs | Commits | Last activity |
|---|---|---|---|---|
| pandas-dev / pandas↗ | 28,380 | 37,754 | 38,455 | 2026-07-24 |
| apache / arrow↗ | 28,283 | 21,631 | 19,087 | 2026-07-24 |
| apache / echarts↗ | 19,376 | 2,204 | 10,386 | 2026-07-23 |
| apache / airflow↗ | 14,874 | 49,686 | 39,949 | 2026-07-25 |
| numpy / numpy↗ | 13,981 | 17,842 | 41,618 | 2026-07-24 |
| The highlighted repositories above have public snapshot pages — Sign in free → to open the full repository pages for all 23,909 repositories, with charts, contributors, and comparisons. | ||||
| apache / superset | 12,560 | 24,880 | 21,648 | 2026-07-25 |
| scikit-learn / scikit-learn | 12,164 | 21,038 | 33,868 | 2026-07-24 |
| apache / grails-core | 11,936 | 3,931 | 64,811 | 2026-07-24 |
| apache / shardingsphere | 11,930 | 26,961 | 49,110 | 2026-07-25 |
| apache / lucene | 11,848 | 4,516 | 39,389 | 2026-07-24 |
| scipy / scipy | 11,517 | 14,032 | 37,922 | 2026-07-23 |
| matplotlib / matplotlib | 11,352 | 20,601 | 55,002 | 2026-07-23 |
| rstudio / rstudio | 10,125 | 7,931 | 45,200 | 2026-07-24 |
| apache / mxnet | 9,560 | 11,124 | 11,896 | 2026-07-21 |
| apache / datafusion | 8,717 | 14,811 | 14,147 | 2026-07-25 |
| apache / maven | 8,579 | 3,858 | 16,201 | 2026-07-23 |
| apache / dolphinscheduler | 8,454 | 8,948 | 9,033 | 2026-07-24 |
| IQSS / dataverse | 8,437 | 3,976 | 36,785 | 2026-07-22 |
| apache / doris | 8,437 | 55,716 | 31,406 | 2026-07-24 |
| apache / beam | 8,410 | 30,981 | 47,688 | 2026-07-24 |
| bokeh / bokeh | 8,247 | 6,685 | 21,093 | 2026-07-23 |
| pypa / pip | 7,763 | 6,316 | 16,160 | 2026-07-24 |
| apache / pulsar | 7,519 | 17,776 | 14,583 | 2026-07-24 |
| apache / dubbo | 7,416 | 8,577 | 8,892 | 2026-07-24 |
| apache / hudi | 7,193 | 12,086 | 7,659 | 2026-07-24 |
| astropy / astropy | 6,766 | 13,294 | 41,536 | 2026-07-25 |
| cBioPortal / cbioportal | 6,593 | 4,809 | 20,952 | 2026-07-28 |
| apache / inlong | 6,409 | 5,700 | 5,250 | 2026-07-22 |
| apache / apisix | 6,204 | 6,246 | 5,088 | 2026-07-24 |
| DSpace / DSpace | 6,133 | 6,583 | 24,595 | 2026-07-24 |
| apache / skywalking | 5,745 | 5,751 | 8,577 | 2026-07-24 |
| apache / jmeter | 5,434 | 1,274 | 18,550 | 2026-07-23 |
| apache / gravitino | 5,434 | 6,593 | 4,143 | 2026-07-24 |
| apache / druid | 5,336 | 14,349 | 16,076 | 2026-07-24 |
| JabRef / jabref | 5,091 | 11,032 | 24,254 | 2026-07-24 |
| apache / rocketmq | 5,065 | 4,991 | 9,164 | 2026-07-23 |
| jupyter / notebook | 5,060 | 2,803 | 13,805 | 2026-07-31 |
| apache / iceberg | 4,864 | 12,410 | 8,923 | 2026-07-25 |
| DataBiosphere / azul | 4,853 | 3,248 | 12,138 | 2026-07-29 |
| apache / seatunnel | 4,744 | 6,559 | 5,857 | 2026-07-24 |
| broadinstitute / gatk | 4,654 | 4,712 | 4,765 | 2026-07-29 |
| apache / pouchdb | 4,375 | 4,839 | 5,393 | 2026-07-22 |
| pypa / pipenv | 4,371 | 2,196 | 9,745 | 2026-07-30 |
| apache / incubator-seata | 4,327 | 3,665 | 2,547 | 2026-07-31 |
| Bioconductor / Contributions | 4,326 | 7 | 70 | 2026-06-28 |
| apache / storm | 4,222 | 4,639 | 11,863 | 2026-07-23 |
| zotero / zotero | 4,066 | 1,892 | 16,612 | 2026-07-31 |
| apache / cloudstack | 4,046 | 8,705 | 38,957 | 2026-07-25 |
| nextflow-io / nextflow | 3,930 | 2,585 | 7,943 | 2026-07-31 |
| apache / spark | 3,897 | 57,331 | 49,326 | 2026-07-25 |
| nasa / openmct | 3,895 | 4,254 | 8,119 | 2026-07-31 |
| apache / tvm | 3,821 | 15,803 | 14,152 | 2026-07-24 |
| apache / arrow-rs | 3,733 | 6,117 | 7,875 | 2026-07-24 |
| ome / upptime | 3,722 | 5 | 78,917 | 2026-07-24 |
| rdkit / rdkit | 3,710 | 3,990 | 8,541 | 2026-07-31 |
| OpenMS / OpenMS | 3,695 | 5,838 | 36,372 | 2026-07-24 |
| apache / gluten | 3,688 | 8,728 | 6,532 | 2026-07-24 |
| apache / devlake | 3,650 | 5,246 | 5,746 | 2026-07-24 |
| sktime / sktime | 3,413 | 6,634 | 6,171 | 2026-07-24 |
| hydroshare / hydroshare | 3,409 | 3,011 | 19,984 | 2026-07-30 |
| getodk / collect | 3,399 | 3,908 | 18,458 | 2026-07-31 |
| OpenRefine / OpenRefine | 3,343 | 4,412 | 9,117 | 2026-07-31 |
| apache / pinot | 3,329 | 15,676 | 15,639 | 2026-07-24 |
| spinalcordtoolbox / spinalcordtoolbox | 3,305 | 1,958 | 8,880 | 2026-07-31 |
| mathjax / MathJax | 3,176 | 408 | 3,387 | 2026-07-29 |
| DataBiosphere / toil | 3,171 | 2,368 | 6,360 | 2026-07-24 |
| apache / camel-quarkus | 3,108 | 5,671 | 7,640 | 2026-07-23 |
| openmm / openmm | 3,099 | 2,159 | 7,342 | 2026-07-31 |
| bcbio / bcbio-nextgen | 3,055 | 697 | 8,579 | 2026-07-26 |
| apache / hop | 2,981 | 4,202 | 9,381 | 2026-07-22 |
| broadinstitute / cromwell | 2,896 | 4,974 | 5,815 | 2026-07-30 |
| scikit-image / scikit-image | 2,880 | 4,929 | 14,696 | 2026-07-30 |
| cytoscape / cytoscape.js | 2,853 | 523 | 6,717 | 2026-07-30 |
| pypa / setuptools | 2,823 | 2,036 | 16,704 | 2026-07-30 |
| aces / Loris | 2,808 | 8,096 | 13,427 | 2026-07-21 |
| rstudio / shiny | 2,777 | 1,615 | 6,212 | 2026-07-31 |
| apache / linkis | 2,635 | 2,727 | 8,673 | 2026-07-23 |
| hail-is / hail | 2,619 | 12,959 | 12,162 | 2026-07-23 |
| kiwix / kiwix-android | 2,603 | 2,339 | 9,881 | 2026-07-31 |
| biolab / orange3 | 2,589 | 4,481 | 16,013 | 2026-07-31 |
| jupyterhub / jupyterhub | 2,544 | 2,819 | 8,701 | 2026-07-31 |
| apache / trafficcontrol | 2,515 | 5,624 | 12,938 | 2026-06-26 |
| apache / trafficserver | 2,498 | 10,850 | 17,104 | 2026-07-24 |
| apache / shenyu | 2,489 | 3,928 | 3,832 | 2026-07-23 |
| apache / kyuubi | 2,483 | 4,667 | 4,562 | 2026-07-23 |
| yt-project / yt | 2,483 | 2,998 | 34,805 | 2026-07-24 |
| apache / netbeans | 2,442 | 6,607 | 12,232 | 2026-07-24 |
| apache / camel-k | 2,434 | 4,274 | 7,950 | 2026-07-31 |
| apache / flink | 2,361 | 28,756 | 38,219 | 2026-07-25 |
| apache / maven-surefire | 2,357 | 992 | 3,607 | 2026-07-31 |
| apache / incubator-kie-issues | 2,314 | 3 | 1 | 2026-07-27 |
| DataBiosphere / data-browser | 2,303 | 2,504 | 2,409 | 2026-07-15 |
| apache / eventmesh | 2,297 | 2,964 | 4,852 | 2026-07-22 |
| vgteam / vg | 2,288 | 2,656 | 19,741 | 2026-07-31 |
| apache / opendal | 2,266 | 5,111 | 4,500 | 2026-07-24 |
| sunpy / sunpy | 2,240 | 6,421 | 20,100 | 2026-07-20 |
| GMOD / jbrowse-components | 2,207 | 2,859 | 18,487 | 2026-07-31 |
| nasa / fprime | 2,198 | 2,320 | 6,168 | 2026-07-31 |
| DeepLabCut / DeepLabCut | 2,168 | 1,226 | 2,183 | 2026-07-31 |
| samtools / bcftools | 2,163 | 372 | 3,298 | 2026-07-30 |