Top Scala Repositories

Explore the most popular Scala projects on GitHub. Find high-quality code examples and learn from the community.

100 repositories517,682 total stars
#RepositoryLanguageStarsForks
#1
twitter/the-algorithm
Source code for Twitter's Recommendation Algorithm
Scala
62,928
12,177
#2
apache/spark
Apache Spark - A unified analytics engine for large-scale data processing
Scala
40,565
28,507
#3
prisma/prisma1
💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]
Scala
16,502
859
#4
lichess-org/lila
♞ lichess.org: the forever free, adless and open source chess server ♞
Scala
16,317
2,350
#5
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
14,358
3,112
#6
akka/akka
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
Scala
13,116
3,588
#7
playframework/playframework
The Community Maintained High Velocity Web Framework For Java and Scala.
Scala
12,559
4,097
#8
apache/predictionio
PredictionIO, a machine learning server for developers and ML engineers.
Scala
12,529
1,927
#9
yahoo/CMAK
CMAK is a tool for managing Apache Kafka clusters
Scala
11,881
2,508
#10
rtyley/bfg-repo-cleaner
Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
Scala
11,360
552
#11
gitbucket/gitbucket
A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
Scala
9,214
1,254
#12
twitter/finagle
A fault tolerant, protocol-agnostic RPC system
Scala
8,807
1,450
#13
delta-io/delta
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
Scala
7,858
1,792
#14
twitter-archive/snowflake
Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.
Scala
7,697
1,135
#15
enso-org/enso
Enso Analytics is a self-service data prep and analysis platform designed for data teams.
Scala
7,400
326
#16
snowplow/snowplow
The leader in Next-Generation Customer Data Infrastructure
Scala
6,893
1,190
#17
lhartikk/ArnoldC
Arnold Schwarzenegger based programming language
Scala
6,756
292
#18
apache/openwhisk
Apache OpenWhisk is an open source serverless cloud platform
Scala
6,619
1,172
#19
gatling/gatling
Modern Load Testing as Code
Scala
6,559
1,203
#20
OpenXiangShan/XiangShan
Open-source high-performance RISC-V processor
Scala
6,163
745
#21
scala/scala3
The Scala 3 compiler, also known as Dotty.
Scala
5,958
1,084
#22
guardian/frontend
The Guardian DotCom.
Scala
5,848
559
#23
fpinscala/fpinscala
Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
Scala
5,712
3,044
#24
linkerd/linkerd
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.
Scala
5,335
505
#25
typelevel/cats
Lightweight, modular, and extensible library for functional programming.
Scala
5,295
1,214
#26
microsoft/SynapseML
Simple and Distributed Machine Learning
Scala
5,110
842
#27
sbt/sbt
sbt, the interactive build tool
Scala
4,826
948
#28
airbnb/aerosolve
A machine learning package built for humans.
Scala
4,792
562
#29
scalaz/scalaz
Principled Functional Programming in Scala
Scala
4,666
703
#30
scala-js/scala-js
Scala.js, the Scala to JavaScript compiler
Scala
4,621
393
#31
scala-native/scala-native
Your favorite language gets closer to bare metal.
Scala
4,550
375
#32
mesos/chronos
Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules
Scala
4,383
526
#33
chipsalliance/chisel
Chisel: A Modern Hardware Design Language
Scala
4,186
618
#34
zio/zio
ZIO — A type-safe, composable library for async and concurrent programming in Scala
Scala
4,175
1,328
#35
d2iq-archive/marathon
Deploy and manage containers (including Docker) on top of Apache Mesos at scale.
Scala
4,060
839
#36
JohnSnowLabs/spark-nlp
State of the Art Natural Language Processing
Scala
3,936
722
#37
twitter-archive/diffy
Find potential bugs in your services with Diffy
Scala
3,830
370
#38
TheHive-Project/TheHive
TheHive: a Scalable, Open Source and Free Security Incident Response Platform
Scala
3,568
640
#39
twitter/scalding
A Scala API for Cascading
Scala
3,514
706
#40
Netflix/atlas
In-memory dimensional time series database.
Scala
3,475
309
#41
lw-lin/CoolplaySpark
酷玩 Spark: Spark 源代码解析、Spark 类库等
Scala
3,470
1,412
#42
scalanlp/breeze
Breeze is/was a numerical processing library for Scala.
Scala
3,451
690
#43
milessabin/shapeless
Generic programming for Scala
Scala
3,401
531
#44
chipsalliance/rocket-chip
Rocket Chip Generator
Scala
3,373
1,150
#45
awslabs/deequ
Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.
Scala
3,372
552
#46
twitter-archive/flockdb
A distributed, fault-tolerant graph database
Scala
3,338
257
#47
xxf098/shadowsocksr-v2ray-trojan-android
A simple client for Android
Scala
3,215
384
#48
databricks/Spark-The-Definitive-Guide
Spark: The Definitive Guide's Code Repository
Scala
2,931
2,816
#49
spark-jobserver/spark-jobserver
REST job server for Apache Spark
Scala
2,835
991
#50
twitter-archive/kestrel
simple, distributed message queue system (inactive)
Scala
2,766
311
#51
twitter/util
Wonderful reusable code from Twitter
Scala
2,710
581
#52
aditya-grover/node2vec
None
Scala
2,656
912
#53
slick/slick
Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
Scala
2,653
614
#54
scalatra/scalatra
Tiny Scala high-performance, async web framework, inspired by Sinatra
Scala
2,648
339
#55
scala-exercises/scala-exercises
The easy way to learn Scala.
Scala
2,634
542
#56
lagom/lagom
Reactive Microservices for the JVM
Scala
2,632
630
#57
com-lihaoyi/Ammonite
Scala Scripting
Scala
2,615
370
#58
softwaremill/elasticmq
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
Scala
2,613
198
#59
spotify/scio
A Scala API for Apache Beam and Google Cloud Dataflow.
Scala
2,583
513
#60
http4s/http4s
A minimal, idiomatic Scala interface for HTTP
Scala
2,567
793
#61
spray/spray
A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
Scala
2,503
564
#62
circe/circe
Yet another JSON library for Scala
Scala
2,502
543
#63
typelevel/fs2
Compositional, streaming I/O library for Scala
Scala
2,388
613
#64
com-lihaoyi/mill
Mill is a fast JVM build tool that supports Java, Scala, Kotlin and many other languages. 2-4x faster than Gradle and 4-10x faster than Maven for common workflows, Mill aims to make your project’s build process performant, maintainable, and flexible
Scala
2,349
390
#65
geekyouth/SZT-bigdata
深圳地铁大数据客流分析系统🚇🚄🌟
Scala
2,331
609
#66
twitter/algebird
Abstract Algebra for Scala
Scala
2,296
347
#67
joernio/joern
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
Scala
2,270
307
#68
twitter/finatra
Fast, testable, Scala services built on TwitterServer and Finagle
Scala
2,269
407
#69
salesforce/TransmogrifAI
TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
Scala
2,252
398
#70
twitter-archive/gizzard
[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores
Scala
2,251
210
#71
flix/flix
The Flix Programming Language
Scala
2,242
160
#72
laurilehmijoki/s3_website
Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features.
Scala
2,239
186
#73
typelevel/doobie
Functional JDBC layer for Scala.
Scala
2,181
364
#74
scalameta/metals
Scala language server with rich IDE features 🚀
Scala
2,164
354
#75
zio/zio-quill
Compile-time Language Integrated Queries for Scala
Scala
2,154
348
#76
apache/kyuubi
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.
Scala
2,154
938
#77
twitter/summingbird
Streaming MapReduce with Scalding and Storm
Scala
2,136
266
#78
metarank/metarank
A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine
Scala
2,107
91
#79
pocorall/scaloid
Scaloid makes your Android code easy to understand and maintain.
Scala
2,090
163
#80
typelevel/cats-effect
The pure asynchronous runtime for Scala
Scala
2,088
538
#81
coursier/coursier
Pure Scala Artifact Fetching
Scala
2,076
317
#82
MojoJolo/textteaser
TextTeaser is an automatic summarization algorithm.
Scala
1,976
252
#83
sangria-graphql/sangria
Scala GraphQL implementation
Scala
1,960
221
#84
typelevel/scalacheck
Property-based testing for Scala
Scala
1,946
406
#85
datastax/spark-cassandra-connector
DataStax Connector for Apache Spark to Apache Cassandra
Scala
1,943
920
#86
monix/monix
Asynchronous, Reactive Programming for Scala and Scala.js.
Scala
1,935
245
#87
feathr-ai/feathr
Feathr – A scalable, unified data and AI engineering platform for enterprise
Scala
1,886
229
#88
ValeLang/Vale
Compiler for the Vale programming language - http://vale.dev/
Scala
1,846
54
#89
byzer-org/byzer-lang
Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI.
Scala
1,838
548
#90
riscv-boom/riscv-boom
SonicBOOM: The Berkeley Out-of-Order Machine
Scala
1,838
439
#91
ucb-bar/chipyard
An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more
Scala
1,773
683
#92
Graphcool/graphcool-framework
None
Scala
1,769
129
#93
typelevel/spire
Powerful new number types and numeric abstractions for Scala.
Scala
1,769
243
#94
foundweekends/giter8
a command line tool to apply templates defined on GitHub
Scala
1,746
227
#95
SpinalHDL/SpinalHDL
Scala based HDL
Scala
1,737
340
#96
fthomas/refined
Refinement types for Scala
Scala
1,720
153
#97
optics-dev/Monocle
Optics library for Scala
Scala
1,668
203
#98
japgolly/scalajs-react
Facebook's React on Scala.JS
Scala
1,646
231
#99
Philippus/elastic4s
🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
Scala
1,636
693
#100
MightyPirates/OpenComputers
Home of the OpenComputers mod for Minecraft.
Scala
1,624
433

Quick Stats

Average Stars
5,177
Average Forks
1,159
Total Repositories
100