Cats Open Source Projects

Browse 135 Cats open source projects, ranked by GitHub stars. Find the most popular Cats tools and libraries.

Share your experience:✍️ Write a Post❓ Ask a Question
1-60 of 135 projects
28,599 stars

envoyproxy/envoy

Cloud-native high-performance edge/middle/service proxy

Metrics details
Stars28,599
6,584 stars

SophonPlus/ChineseNlpCorpus

搜集、整理、发布 中文 自然语言处理 语料/数据集,与 有志之士 共同 促进 中文 自然语言处理 的 发展。

Metrics details
Stars6,584
5,451 stars

typelevel/cats

Lightweight, modular, and extensible library for functional programming.

Metrics details
Stars5,451
3,657 stars

httpcats/http.cat

:cat: HTTP Cats API

Metrics details
Stars3,657
3,382 stars

samber/mo

🦄 Monads and popular FP abstractions, powered by Go 1.18+ Generics (Option, Result, Either...)

Metrics details
Stars3,382
2,646 stars

scala-exercises/scala-exercises

The easy way to learn Scala.

Metrics details
Stars2,646
2,621 stars

http4s/http4s

A minimal, idiomatic Scala interface for HTTP

Metrics details
Stars2,621
2,234 stars

typelevel/cats-effect

The pure asynchronous runtime for Scala

Metrics details
Stars2,234
2,077 stars

nurdism/neko

A self hosted virtual browser (rabb.it clone) that runs in docker.

Metrics details
Stars2,077
1,932 stars

monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

Metrics details
Stars1,932
1,697 stars

optics-dev/Monocle

Optics library for Scala

Metrics details
Stars1,697
1,664 stars

typelevel/skunk

A data access library for Scala + Postgres.

Metrics details
Stars1,664
1,659 stars

japgolly/scalajs-react

Facebook's React on Scala.JS

Metrics details
Stars1,659
1,503 stars

softwaremill/sttp

The Scala HTTP client you always wanted!

Metrics details
Stars1,503
1,441 stars

AlexiaJM/Deep-learning-with-cats

Deep learning with cats (^._.^)

Metrics details
Stars1,441
1,427 stars

harthur/kittydar

Face detection for cats in JavaScript - demo for TXJS 2012 talk

Metrics details
Stars1,427
1,361 stars

Endava/cats

CATS is a REST API Fuzzer and negative testing tool for OpenAPI endpoints. CATS automatically generates, runs and reports tests with minimum configuration and no coding effort. Tests are self-healing and do not require maintenance.

Metrics details
Stars1,361
1,166 stars

dropbox/goebpf

Library to work with eBPF programs from Go

Metrics details
Stars1,166
1,156 stars

junyanz/CatPapers

Cool vision, learning, and graphics papers on Cats!

Metrics details
Stars1,156
1,075 stars

pauljamescleary/scala-pet-store

An implementation of the java pet store using FP techniques in scala

Metrics details
Stars1,075
985 stars

square/logcat

I CAN HAZ LOGZ?

Metrics details
Stars985
898 stars

typelevel/frameless

Expressive types for Spark.

Metrics details
Stars898
894 stars

brookshi/awesome-typescript-projects

awesome typescript open source projects, includes IDE, Framework, Library, Tool

Metrics details
Stars894
885 stars

jacobgil/pytorch-pruning

PyTorch Implementation of [1611.06440] Pruning Convolutional Neural Networks for Resource Efficient Inference

Metrics details
Stars885
792 stars

maxogden/javascript-for-cats

an introduction to the javascript programming language. intended audience: cats

Metrics details
Stars792
747 stars

chenyuntc/pytorch-best-practice

A Guidance on PyTorch Coding Style Based on Kaggle Dogs vs. Cats

Metrics details
Stars747
741 stars

AlexiaJM/RelativisticGAN

Code for replication of the paper "The relativistic discriminator: a key element missing from standard GAN"

Metrics details
Stars741
642 stars

arminbiere/kissat

Metrics details
Stars642
637 stars

ypwhs/dogs_vs_cats

猫狗大战

Metrics details
Stars637
622 stars

SandroMaglione/fpdart

Functional programming in Dart and Flutter. All the main functional programming types and patterns fully documented, tested, and with examples.

Metrics details
Stars622
588 stars

atnos-org/eff

Eff monad for cats - https://atnos-org.github.io/eff

Metrics details
Stars588
563 stars

typelevel/cats-collections

Data structures for pure functional programming in Scala

Metrics details
Stars563
551 stars

gvolpe/pfps-shopping-cart

:shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"

Metrics details
Stars551
543 stars

win0err/gnome-runcat

😼 The cat tells you the CPU usage by running speed

Metrics details
Stars543
542 stars

guardrail-dev/guardrail

Principled code generation from OpenAPI specifications

Metrics details
Stars542
540 stars

wh-iterabb-it/meowfacts

🐈 a simple api which returns a catfact

Metrics details
Stars540
496 stars

xebia-functional/fetch

Simple & Efficient data access for Scala and Scala.js

Metrics details
Stars496
484 stars

fosskers/scalaz-and-cats

Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).

Metrics details
Stars484
473 stars

slouc/concurrency-in-scala-with-ce

Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.

Metrics details
Stars473
463 stars

tpolecat/cats-infographic

typeclass diagram for cats

Metrics details
Stars463
458 stars

ElectronicCats/mpu6050

MPU6050 Arduino Library

Metrics details
Stars458
418 stars

scalawithcats/scala-with-cats

Source code for Scala with Cats

Metrics details
Stars418
416 stars

typelevel/log4cats

Logging Tools For Interaction with cats-effect

Metrics details
Stars416
405 stars

jbaron/cats

Code Assistant for TypeScript

Metrics details
Stars405
394 stars

higherkindness/droste

recursion schemes for cats; to iterate is human, to recurse, divine

Metrics details
Stars394
379 stars

SophieDeBenedetto/catbook-redux

simple sample redux app

Metrics details
Stars379
375 stars

typelevel/mouse

A small companion to cats

Metrics details
Stars375
374 stars

aleju/cat-generator

Generate cat images with neural networks

Metrics details
Stars374
368 stars

profunktor/redis4cats

:bookmark: Redis client built on top of Cats Effect, Fs2 and Lettuce

Metrics details
Stars368
366 stars

mockito/mockito-scala

Mockito for Scala language

Metrics details
Stars366
340 stars

typelevel/natchez

functional tracing for cats

Metrics details
Stars340
319 stars

typelevel/cats-tagless

Library of utilities for tagless final encoded algebras

Metrics details
Stars319
318 stars

47degrees/sbt-microsites

An sbt plugin to create awesome microsites for your project

Metrics details
Stars318
307 stars

typelevel/cats-mtl

cats transformer type classes.

Metrics details
Stars307
300 stars

sofakid/Skoarcery

Skoar

Metrics details
Stars300
278 stars

belyalov/tinyweb

Simple and lightweight HTTP async server for micropython

Metrics details
Stars278
277 stars

monadless/monadless

Syntactic sugar for monad composition in Scala

Metrics details
Stars277
271 stars

melaniecebula/cat-ascii-faces

₍˄·͈༝·͈˄₎◞ ̑̑ෆ⃛ (=ↀωↀ=)✧ (^・o・^)ノ” cat faces!

Metrics details
Stars271
270 stars

rachelandrew/css-for-print

Metrics details
Stars270
256 stars

ThoughtWorksInc/Dsl.scala

A framework to create embedded Domain-Specific Languages in Scala

Metrics details
Stars256
1-60 of 135 projects
Get A Weekly Email With Trending Cats Projects
Stay updated on Cats plus related topics you pick below.

Copyright 2018-2026 Awesome Open Source.  All rights reserved.