1.apache / pekko
Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
- actor-model
- cloud-native
- concurrency
- distributed-actors
- distributed-systems
- high-performance
- +4 more
+47 stars
from 1,616 · score 3.87
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
16 repositories by Attention Score · Aug 7, 2026 – Nov 4, 2026 (UTC)
2.scala / scala
Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
- scala
- scala-compiler
- scala-programming-language
- scala-library
- jvm-languages
- functional-programming
- +1 more
+42 stars
from 14,493 · score 3.76
3.typelevel / cats
Lightweight, modular, and extensible library for functional programming.
+35 stars
from 5,443 · score 3.58
4.akka / akka-core
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
- reactive
- distributed-systems
- concurrency
- high-performance
- akka
- actor-model
- +3 more
+29 stars
from 13,253 · score 3.40
5.lhartikk / ArnoldC
Arnold Schwarzenegger based programming language
+26 stars
from 6,858 · score 3.30
6.monix / monix
Asynchronous, Reactive Programming for Scala and Scala.js.
- scala
- monix
- typelevel
- functional-programming
- reactive-programming
- fp
- +4 more
+6 stars
from 1,926 · score 1.95
7.scalaz / scalaz
Principled Functional Programming in Scala
- scalaz
- scala
- functional-programming
- scala-native
- scalajs
+5 stars
from 4,665 · score 1.79
+4 stars
from 2,716 · score 1.61
9.milessabin / shapeless
Generic programming for Scala
- scala
- typelevel
- functional-programming
- generic-programming
- fp
+3 stars
from 3,398 · score 1.39
+2 stars
from 1,133 · score 1.10
11.outr / reactify
The first and only true Functional Reactive Programming framework for Scala.
- scala
- reactive
- frp
- frp-library
- rx
+2 stars
from 93 · score 1.10
12.galax-io / gatling-picatinny
Gatling DSL extensions — feeders, profile management, transactions, assertions, Redis integration, and utility functions
- gatling
- performance
- performance-testing
- gatling-plugin
- dsl
- feeders
- +6 more
+2 stars
from 12 · score 1.10
+1 stars
from 851 · score 0.69
14.higherkindness / droste
recursion schemes for cats; to iterate is human, to recurse, divine
- scala
- recursion-schemes
- functional-programming
+1 stars
from 395 · score 0.69
15.h0ngcha0 / bitcoin4s
A Bitcoin Script Interpreter and Debugger in Scala
+1 stars
from 60 · score 0.69
16.sparsetech / toml-scalaArchived
TOML parser with codec derivation for the Scala platform
- scala
- scala-native
- toml
- shapeless
- scalajs
+1 stars
from 30 · score 0.69