Explore every measured repository

Sort projects by how fast they reply.

1,575 repositories measured. Index updated 11 Oct 2026.

Python 605

JavaScript 245

HTML 197

TypeScript 187

C++ 142

C 140

Shell 137

Java 98

CSS 93

Go 69

Jupyter Notebook 65

Rust 65

SCSS 38

Ruby 36

Dart 31

Makefile 31

Julia 30

Scala 28

Perl 25

PHP 24

Kotlin 22

Dockerfile 21

CMake 19

Python 605

JavaScript 245

HTML 197

TypeScript 187

C++ 142

C 140

Shell 137

Java 98

CSS 93

Go 69

Jupyter Notebook 65

Rust 65

SCSS 38

Ruby 36

Dart 31

Makefile 31

Julia 30

Scala 28

Perl 25

PHP 24

Kotlin 22

Dockerfile 21

CMake 19

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178 repositories matchClear allProjects measured on 20 or more outside pull requests come first; a perfect record over a handful is partly luck.

cards table

Repositories with reply time, merge rate and starter issues
Repository	First reply	In 48 h	Merged	To merge	Free issues	Stars	Updated
apache/airflowPython	6.8 days	34%	51%/648	3 months	36	47k	11 Oct 2026
oppia/oppiaPython	6.8 days	31%	41%/229	n/a	2	6.8k	10 Oct 2026
astropy/astroqueryPython	6.9 days	41%	74%/19	6 weeks	0	796

n/a means fewer than 5 pull requests in the sample, so no figure is shown. A first reply of "rare" means more than half of outside pull requests got no reply.

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