1.NixOS / nix
Nix, the purely functional package manager
+51 stars
from 17,907 · score 3.95
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
29 repositories by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)
2.lichess-org / lila
♞ lichess.org: the forever free, adless and open source chess server ♞
+43 stars
from 18,893 · score 3.78
3.roc-lang / roc
A fast, friendly, functional language.
+19 stars
from 6,162 · score 3.00
4.Cattmonkey / ChaosIntelligence
把智能体当函数，把想法写成程序。Agent-native functional language with a CLI, Web IDE, goal-driven bots and live UI. Source-available; no AI training.
+7 stars
from 198 · score 2.08
5.supermacro / neverthrow
Type-Safe Errors for JS & TypeScript
+6 stars
from 7,756 · score 1.95
6.jank-lang / jank
jank is the native Clojure dialect with seamless C++ interop.
+6 stars
from 3,365 · score 1.95
7.coalton-lang / coalton
Coalton is an efficient, statically typed functional programming language that supercharges Common Lisp.
+5 stars
from 1,781 · score 1.79
8.KuroLabs / stegcloak
Hide secrets with invisible characters in plain text securely using passwords 🧙🏻♂️⭐
+4 stars
from 3,928 · score 1.61
9.sharkdp / cube-composer
A puzzle game inspired by functional programming
+4 stars
from 2,050 · score 1.61
10.apache / groovy
Apache Groovy: A powerful multi-faceted programming language for the JVM platform
+3 stars
from 5,479 · score 1.39
11.dry-python / returns
Make your functions return something meaningful, typed, and safe!
+3 stars
from 4,380 · score 1.39
12.hmemcpy / milewski-ctfp-pdf
Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source
+2 stars
from 11,703 · score 1.10
13.DeathKing / Learning-SICP
MIT视频公开课《计算机程序的构造和解释》中文化项目及课程学习资料搜集。
+2 stars
from 11,295 · score 1.10
14.louthy / language-ext
C# pure functional programming framework - come and get declarative!
+2 stars
from 7,081 · score 1.10
15.dotnet / fsharp
The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio
+2 stars
from 4,346 · score 1.10
16.LuxLang / lux
The Lux Programming Language
+2 stars
from 1,748 · score 1.10
17.lettier / gifcurry
😎 The open-source, Haskell-built video editor for GIF makers.
+2 stars
from 1,452 · score 1.10
18.cyclejs / cyclejs
A functional and reactive JavaScript framework for predictable code
+1 stars
from 10,226 · score 0.69
19.AllThingsSmitty / must-watch-javascript
JavaScript talks you have to see 👀 on functional programming, performance, frameworks, React, debugging, leveling up, and more!
+1 stars
from 7,138 · score 0.69
20.scalaz / scalaz
Principled Functional Programming in Scala
+1 stars
from 4,669 · score 0.69
21.vkhorikov / CSharpFunctionalExtensions
Functional extensions for C#
+1 stars
from 2,832 · score 0.69
22.typelevel / fs2
Compositional, streaming I/O library for Scala
+1 stars
from 2,455 · score 0.69
23.luafun / luafun
Lua Fun is a high-performance functional programming library for Lua designed with LuaJIT's trace compiler in mind.
+1 stars
from 2,265 · score 0.69
24.monix / monix
Asynchronous, Reactive Programming for Scala and Scala.js.
+1 stars
from 1,931 · score 0.69
25.typelevel / skunk
A data access library for Scala + Postgres.
+1 stars
from 1,666 · score 0.69
26.funkia / list
🐆 An immutable list with unmatched performance and a comprehensive functional API.
+1 stars
from 1,650 · score 0.69
27.awalterschulze / goderive
Derives and generates mundane golang functions that you do not want to maintain yourself
+1 stars
from 1,265 · score 0.69
28.wavebitscientific / functional-fortran
Functional programming for modern Fortran
+1 stars
from 438 · score 0.69
29.querycert / qcert
Compilation and Verification of Data-Centric Languages
+1 stars
from 60 · score 0.69