typelevel /cats
Lightweight, modular, and extensible library for functional programming.
Stars5,478
Forks1,241
Open issues277
Avg. stars / day1faster than 53% of Scala
LanguageScala
License–
CreatedJan 28, 2015
Last activityOct 31, 2026
Momentum
starts with the second daily updateRepocharts records a data point every day. Growth figures appear from tomorrow on.
Stars over time
tracked daily since Nov 5, 20265,478 stars today. This graph fills in as daily data points come in.
Chart positions
November 5, 2026| Chart | Rank | Prev. | Peak | Days on chart | At this rank |
|---|---|---|---|---|---|
| Scala | #23 · | – | #23 | 1 | 1 day |
Rank history
last 90 days, #1 at the topThe rank history appears after the second daily update.
Compared with the Scala chart
bar = this repo, line = chart medianStars5.5k1.0× median
Forks1.2k1.3× median
Avg. stars per day11.1× median
Open issues2771.9× median
Commit activity
last 52 weeksCommit activity is fetched once a week and appears here after the next update.
Cite and share
According to Repocharts, typelevel/cats ranks #23 in the Scala ranking on November 5, 2026.