Discover Scala
Discover the top trending Scala repositories and projects on Github. Explore the latest trends in Scala development.
Trending Scala Repositories
- incubator-pekko-http The Streaming-first HTTP server/module of Apache Pekko
- scalajs-react Facebook's React on Scala.JS
- node2vec
- sconfig Scala configuration library supporting HOCON for Scala, Java, Scala.js, and Scala Native
- sbt-ci-release sbt plugin to automate Sonatype releases from GitHub Actions
- scala-at-light-speed The repository for the free Scala at Light Speed mini-course
- squants The Scala API for Quantities, Units of Measure and Dimensional Analysis
- probability-monad
- otoroshi Lightweight api management on top of a modern http reverse proxy
- diffx Pretty diffs for scala case classes
- scio A Scala API for Apache Beam and Google Cloud Dataflow.
- scala_typeclassopedia Abstractions from Category theory with simple description & implementation, links to further resources.
- java-webauthn-server Server-side Web Authentication library for Java https://www.w3.org/TR/webauthn/#rp-operations
- frankenpaxos A collection of state machine replication protocols
- fs2-cron FS2 streams based on cron expressions
- tyrian Elm-inspired Scala UI library.
- shadowsocksr-v2ray-trojan-android A simple client for Android
- zio-intellij A companion IntelliJ IDEA plugin for the ZIO library ecosystem.
- http4s-grpc
- greyhound Greyhound - Rich Kafka client library
- scala-parser-combinators simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
- avro4s Avro schema generation and serialization / deserialization for Scala
- utest A simple testing framework for Scala
- bloop Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.
- kyo Algebraic effects for Scala 3
- coursier Pure Scala Artifact Fetching
- scala-loci A programming language for distributed applications
- tofu Functional programming toolbox
- sbt sbt, the interactive build tool
- zio-blogapp A Zio, Scala 3, Postgres, ScalaJS, Laminar App
- os-lib OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs
- natchez-extras Integrations between Natchez, Doobie, HTTP4s, Log4cats and Datadog. Formerly called effect-utils.
- http4s A minimal, idiomatic Scala interface for HTTP
- scalar-feda
- XiangShan Open-source high-performance RISC-V processor
- quick-plan Defines and schedules Garmin workouts
- zio-protoquill Quill for Scala 3
- http4s-pac4j Security library for http4s
- scapegoat Scala compiler plugin for static code analysis
- berkeley-hardfloat
- twemoji-parser A simple library for identifying emoji entities within a string in order to render them as Twemoji.
- mesa Actor-based Runtime Verification Tool
- wartremover Flexible Scala code linting tool
- antimirov algebraic manipulation of regular expressions
- dotty The Scala 3 compiler, also known as Dotty.
- spark-xml XML data source for Spark SQL and DataFrames
- trading 💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
- toolkit Quickstart your next app with the Typelevel Toolkit!
- pureconfig A boilerplate-free library for loading configuration files
- scala-pet-store An implementation of the java pet store using FP techniques in scala
- mbknor-jackson-jsonSchema Generate JSON Schema with Polymorphism using Jackson annotations
- scalafix-organize-imports A CI-friendly Scalafix semantic rule for organizing imports
- toolkit
- jawn Jawn is for parsing jay-sawn (JSON)
- minart A minimal scala library to draw images in a JVM/Javascript/Native canvas
- kind-projector Compiler plugin for making type lambdas (type projections) easier to write
- elastiknn Elasticsearch plugin for nearest neighbor search. Store vectors and run similarity search using exact and approximate algorithms.
- slinc Scala <-> C interop
- codepropertygraph Code Property Graph: specification, query language, and utilities
- porcupine Skunk-inspired library for SQLite on JVM, Node.js, and Native
- gitbucket A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
- gluten
- Spark-The-Definitive-Guide Spark: The Definitive Guide's Code Repository
- riscv-torture RISC-V Torture Test
- sbt-multi-jvm Multi-JVM testing in sbt
- stryker4s Mutation testing for Scala
- sbt-vcpkg
- openwhisk Apache OpenWhisk is an open source serverless cloud platform
- cats-tagless Library of utilities for tagless final encoded algebras
- build-server-protocol Protocol for IDEs and build tools to communicate about compile, run, test, debug and more.
- scalafmt Code formatter for Scala
- twirl Twirl is Play's default template engine
- vector A Scala.js Vector and Math library for image processing, scientific/information visualization, and game development.
- sbt-eclipse Plugin for sbt to create Eclipse project definitions
- feathr Feathr – A scalable, unified data and AI engineering platform for enterprise
- scalachess Chess API written in scala. Immutable and free of side effects.
- tapir Declarative, type-safe web endpoints library
- pulsar-spark When Apache Pulsar meets Apache Spark
- akka-projection Akka Projections is intended for building systems with the CQRS pattern, and facilitate in event-based service-to-service communication.
- geomesa GeoMesa is a suite of tools for working with big geo-spatial data in a distributed fashion.
- parsley A fast and modern parser combinator library for Scala
- yatcpu Yet another toy CPU.
- quotidian A menagerie of macro utilities and extensions for Scala 3
- spatial Spatial: "Specify Parameterized Accelerators Through Inordinately Abstract Language"
- SpinalHDL Scala based HDL
- akka-http The Streaming-first HTTP server/module of Akka
- finatra Fast, testable, Scala services built on TwitterServer and Finagle
- scache Cache in Scala with cats-effect
- carbondata High performance data store solution
- griffin Mirror of Apache griffin
- firesim FireSim: Fast and Effortless FPGA-accelerated Hardware Simulation with On-Prem and Cloud Flexibility
- frameless Expressive types for Spark.
- scalding A Scala API for Cascading
- rocket-chip-fpga-shells Wrapper shells enabling designs generated by rocket-chip to map onto certain FPGA boards
- googleapis-http4s
- ox
- indigo An FP game engine for Scala.
- finagle A fault tolerant, protocol-agnostic RPC system
- util Wonderful reusable code from Twitter
- sbt-dynver An sbt plugin to dynamically set your version from git
- sbt-avrohugger sbt plugin for generating Scala sources for Apache Avro schemas and protocols.
- snowflake Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.
- zio-quill Compile-time Language Integrated Queries for Scala
- calico Pure, reactive UI library for Scala.js
- predictionio PredictionIO, a machine learning server for developers and ML engineers.
- shardcake Sharding and location transparency for Scala
- scala-cli Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
- sbt-nosbt An sbt plugin to organize your build using plain Scala files
- alpakka-kafka Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
- Laika Text Markup Transformer for sbt and Scala applications, transforming Markdown and reStructuredText to HTML, EPUB and PDF
- expression-evaluator Compile-time expression evaluation for Scala
- scalafx ScalaFX simplifies creation of JavaFX-based user interfaces in Scala
- chill Scala extensions for the Kryo serialization library
- zio-direct Direct-Style Programming for ZIO
- decrel Composable relations for Scala
- incubator-streampark StreamPark, Make stream processing easier! easy-to-use streaming application development framework and operation platform
- spark-nlp State of the Art Natural Language Processing
- dedav4s Declarative Data Viz 4 Scala
- borer Efficient CBOR and JSON (de)serialization in Scala
- sbt-dependency-check SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). :rainbow:
- sn-bindgen Scala 3 native binding generator + libclang facade
- pfps-shopping-cart :shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
- Metascala A JVM written in Scala
- bijection Reversible conversions between types
- tui-scala Beautiful Text-based User Interfaces for Scala
- LearningSparkV2 This is the github repo for Learning Spark: Lightning-Fast Data Analytics [2nd Edition]
- sbt-tpolecat scalac options for the enlightened
- natchez functional tracing for cats
- gatling Modern Load Testing as Code
- batcher
- REScala REScala - distributed and reactive programming embedded in OO and FP programs.
- tvm-vta Open, Modular, Deep Learning Accelerator
- snowplow The enterprise-grade behavioral data engine (web, mobile, server-side, webhooks), running cloud-natively on AWS and GCP
- chisel-template A template project for beginning new Chisel work
- fs2-blobstore Minimal, idiomatic, stream-based Scala interface for key/value store implementations
- tispark TiSpark is built for running Apache Spark on top of TiDB/TiKV
- ArnoldC Arnold Schwarzenegger based programming language
- kaitai_struct_compiler Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb
- storch PyTorch bindings for Scala
- Monocle Optics library for Scala
- scastie An interactive playground for Scala
- rolls 🔨 Scala3 tools based on standard compiler plugin and metaprogramming
- programming-scala-book-code-examples The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly)
- parquet4s Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.
- gemmini Berkeley's Spatial Array Generator
- spark Apache Spark - A unified analytics engine for large-scale data processing
- quicklens Modify deeply nested case class fields
- chisel-playground
- scala3.g8
- pdffigures2 Given a scholarly PDF, extract figures, tables, captions, and section titles.
- ciris-aws-secretsmanager
- skunk A data access library for Scala + Postgres.
- rudder Rudder is a configuration and security automation platform. Manage your Cloud, hybrid or on-premises infrastructure in a simple, scalable and dynamic way.
- scalacheck Property-based testing for Scala
- scala-js Scala.js, the Scala to JavaScript compiler
- blaze Blazing fast NIO microframework and Http Parser
- guardrail Principled code generation from OpenAPI specifications
- anorm The Anorm database library
- scala-native Your favorite language gets closer to bare metal.
- intellij-haskell IntelliJ plugin for Haskell
- ScienceWorld ScienceWorld is a text-based virtual environment centered around accomplishing tasks from the standardized elementary science curriculum.
- intellij-lsp Plugin adding Language Server Protocol support for IntelliJ
- tasty-query-sql
- refined Refinement types for Scala
- algebird Abstract Algebra for Scala
- ecosystem Integration of TensorFlow with other open-source frameworks
- delta-sharing An open protocol for secure data sharing
- 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
- kyuubi Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.
- ThreadCSO OCCAM-like concurrency for Scala
- apalache APALACHE: symbolic model checker for TLA+
- sbt-typelevel Let sbt work for you.
- cats-effect The pure asynchronous runtime for Scala
- sbt-idea-plugin Develop IntelliJ plugins with Scala and SBT
- delta An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
- incubator-pekko Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
- functional-scala The repository for the Functional Scala workshop.
- open-korean-text Open Korean Text Processor - An Open-source Korean Text Processor
- zio-sql Type-safe, composable SQL for ZIO applications
- flix The Flix Programming Language
- simple-sub Alternative algorithm for algebraic subtyping.
- zio ZIO — A type-safe, composable library for async and concurrent programming in Scala
- scalafix Refactoring and linting tool for Scala
- rocket-chip-blocks RTL blocks compatible with the Rocket Chip Generator
- SZT-bigdata 深圳地铁大数据客流分析系统🚇🚄🌟
- chisel Chisel: A Modern Hardware Design Language
- zio-config Easily use and document any config from anywhere in ZIO apps
- sbt-sonatype A sbt plugin for publishing Scala/Java projects to the Maven central.
- atlas In-memory dimensional time series database.
- bfg-repo-cleaner Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
- weaver-test A test framework that runs everything in parallel.
- aerosolve A machine learning package built for humans.
- diffy Find potential bugs in your services with Diffy
- cats-money Scala functional library to deal amounts of money. The goal is to provide basic mathematical reasoning to work in money currency and exchange rate.
- akka Build highly concurrent, distributed, and resilient message-driven applications on the JVM
- SynapseML Simple and Distributed Machine Learning
- vss
- spark-solr Tools for reading data from Solr as a Spark RDD and indexing objects from Spark into Solr using SolrJ.
- log4cats Logging Tools For Interaction with cats-effect
- NaxRiscv
- vulcan Functional Avro for Scala
- nussknacker A visual tool to define and run real-time decision algorithms. Brings agility to business teams, liberates developers to focus on technology.
- mill Your shiny new Java/Scala build tool!
- mima A tool for catching binary incompatibility in Scala
- slick Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
- scala Scala 2 compiler and standard library. For bugs, see scala/bug
- wire-android :phone: Wire for Android
- otel4s An OpenTelemetry library for Scala based on Cats-Effect
- lambdaconf-2014-introgame Online material for the Introduction to Functional Game Programming with Scala workshop.
- CMAK CMAK is a tool for managing Apache Kafka clusters
- chimney Scala library for boilerplate-free, type-safe data transformations
- sbt-license-report Report on licenses used in an sbt project.
- circe Yet another JSON library for Scala
- magnolia Easy, fast, transparent generic derivation of typeclass instances
- deequ Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.
- scalac-scoverage-plugin Scoverage Scala Code Coverage Core Libs
- playframework Play Framework
- sangria Scala GraphQL implementation
- riscv-boom SonicBOOM: The Berkeley Out-of-Order Machine
- mdoc Typechecked markdown documentation for Scala
- ducktape The thing that glues your code. Or is it duct 🤔
- elasticmq In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
- scala-steward :robot: A bot that helps you keep your Scala projects up-to-date
- lila ♞ lichess.org: the forever free, adless and open source chess server ♞
- cromwell Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
- zio-json Fast, secure JSON library with tight ZIO integration.
- intellij-scala Scala plugin for IntelliJ IDEA
- Ammonite Scala Scripting
- metals Scala language server with rich IDE features 🚀
- rocket The working draft to split rocket core out from rocket chip
- async A strawman for a low-level async library in Scala 3
- effekt A research language with effect handlers and lightweight effect polymorphism
- Laminar Simple, expressive, and safe UI library for Scala.js
- fs2-grpc gRPC implementation for FS2/cats-effect
- rocket-chip Rocket Chip Generator
- jsoniter-scala Scala macros for compile-time generation of safe and ultra-fast JSON codecs
- swan Swift Static Analysis Framework
- joern Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs
- neotype A friendly newtype library for Scala 3
- iron Strong type constraints for Scala
- riscv-mini Simple RISC-V 3-stage Pipeline in Chisel
- scalacheck-effect Effectful property testing built on ScalaCheck
- TheHive TheHive: a Scalable, Open Source and Free Security Incident Response Platform
- cassovary Cassovary is a simple big graph processing library for the JVM
- Vale Compiler for the Vale programming language - http://vale.dev/
- sbtgen SBT project generator for flexible monorepo flow
- fastparse Writing Fast Parsers Fast in Scala
- 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
- fpga-nvme-controller Chisel NVMe controller
- scalikejdbc A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs.
Top 50 Open Source Scala Heroes
1
apache
64,193
2
twitter
28,715
3
typelevel
25,061
4
twitter-archive
22,549
5
scala
20,052
6
akka
19,526
7
prisma
16,707
8
playframework
16,229
9
sbt
16,144
10
lichess-org
13,833
11
zio
12,045
12
softwaremill
11,847
13
yahoo
11,502
14
com-lihaoyi
10,552
15
databricks
9,952
16
rtyley
9,398
17
gitbucket
9,021
18
guardian
8,957
19
snowplow
7,409
20
lhartikk
6,565
21
delta-io
6,551
22
gatling
6,339
23
chipsalliance
6,289
24
mesos
6,188
25
lampepfl
5,659