lila19.0k ★
scalaz4.7k ★Both tagged functional-programming, scala.
RepoClash › Functional Programming rivals
RepoClash · the open-source arena
scala vs scalaz
Functional Programming rivals. Both tagged functional-programming, scala. Six rounds of real GitHub data, an AI referee, and the crowd picks a side.
Red corner
VSBlue corner
scala/scala: 14,543 stars, Scala. Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
scalaz/scalaz: 4,670 stars, Scala. Principled Functional Programming in Scala
scala vs scalaz: tale of the tape
GitHub data as of November 11, 2026scala has 3.1 times as many GitHub stars as scalaz (14,543 vs 4,670). In the last 6 days, scala gained more stars: +6 (+0.0%) against +0 (+0.0%) for scalaz. The latest push was to scalaz on Nov 10, 2026. scalaz is the older project (created January 2010), scala started in December 2011. Both are written mainly in Scala.
| scala/scala | scalaz/scalaz | |
|---|---|---|
| Stars | 14,543 | 4,670 |
| Stars gained, last 6 days | +6 | +0 |
| Growth, last 6 days | +0.0% | +0.0% |
| Avg. stars per day since creation | 3 | 1 |
| Forks | 3,262 | 695 |
| Open issues | 28 | 157 |
| Best Repocharts rank today | #5 in Scala | #31 in Scala |
| Language | Scala | Scala |
| License | Apache-2.0 | – |
| Created | Dec 1, 2011 | Jan 16, 2010 |
| Last push | Nov 10, 2026 | Nov 10, 2026 |
Quick answers
Which is more popular, scala or scalaz?
scala has 3.1 times as many GitHub stars as scalaz (14,543 vs 4,670) (Repocharts data as of November 11, 2026).
Which is growing faster, scala or scalaz?
In the last 6 days, scala gained more stars: +6 (+0.0%) against +0 (+0.0%) for scalaz.
Which is more actively developed?
The latest push was to scalaz on Nov 10, 2026.
What languages are scala and scalaz written in?
Both are written mainly in Scala.
How does RepoClash compare scala and scalaz?
RepoClash scores both repositories in six rounds (popularity, momentum, activity, community, maintenance and freshness) from public GitHub data, adds an AI referee's verdict and lets developers vote for their favorite. Star counts are updated daily.
