Awesome Scala

A community driven list of useful Scala libraries, frameworks and software. This is not a catalog of all the libraries, just a starting point for your explorations. Inspired by awesome-python. Other amazingly awesome lists can be found in the awesome-awesomeness list.

Also awesome is Scaladex, the searchable, tagged, and centralized index of Scala libraries.

Projects with over 500 stargazers are in bold.

• Awesome Scala
  • Database
  • Graphical User Interfaces
  • Web Frameworks
  • Reactive Web Frameworks
  • Data Binding and Validation
  • i18n
  • Authentication
  • Authorization
  • Cryptography
  • Testing
  • JSON
  • YAML
  • Serialization
  • Science and Data Analysis
  • Big Data
  • Image processing and image analysis
  • Functional Reactive Programming
  • Modularization and Dependency Injection
  • Distributed Systems
  • Extensions
  • Misc
  • Android
  • HTTP
  • Semantic Web
  • Metrics and Monitoring
  • Parsing
  • Sbt plugins
  • XML / HTML
  • Tools
  • Learning Scala
  • JavaScript
• Contributing

Database

Database access libraries in Scala.

• Activate ★ 295 ⧗ 5 - Pluggable object persistence in Scala.
• Casbah (repo) - Officially supported Scala driver for MongoDB
• CouchDB-Scala ★ 52 ⧗ 29 - Purely functional Scala client for CouchDB
• doobie ★ 521 ⧗ 0 - Pure functional JDBC layer for Scala.
• Elastic4s ★ 664 ⧗ 0 - A scala DSL / reactive client for Elasticsearch
• longevity ★ 29 ⧗ 0 - A Persistence Framework for Scala and NoSQL with a Domain Driven Design Orientation
• MapperDao ★ 10 ⧗ 15 - An ORM library for oracle, mysql, mssql, and postgresql
• Memcontinuationed ★ 50 ⧗ 10 - Memcached client for Scala.
• Morpheus ★ 15 ⧗ 23 - Reactive type safe Scala Driver for MySQL/Postgres.
• Phantom ★ 443 ⧗ 3 - Reactive type safe Scala driver for Apache Cassandra.
• PostgreSQL and MySQL async ★ 840 ⧗ 1 - Async database drivers to talk to PostgreSQL and MySQL in Scala.
• Quill ★ 631 ⧗ 77 - Compile-time Language Integrated Query for Scala
• ReactiveCouchbase - Reactive Scala Driver for Couchbase. Also includes a Play plug-in. An official plug-in is also in development.
• ReactiveMongo ★ 661 ⧗ 3 - Reactive Scala Driver for MongoDB.
• ReactiveNeo ★ 47 ⧗ 31 - Reactive type-safe Scala driver for Neo4J.
• rediscala ★ 557 ⧗ 0 - Non-blocking, Reactive Redis driver for Scala (with Sentinel support)
• Relate ★ 94 ⧗ 19 - Lightweight, blazing-fast database access layer for Scala that abstracts the idiosyncricies of the JDBC while keeping complete control over the SQL.
• rethink-scala ★ 94 ⧗ 21 - Scala Driver for RethinkDB
• Salat ★ 477 ⧗ 10 - ORM for MongoDB. A related Play-plugin is also available.
• Scala ActiveRecord ★ 273 ⧗ 0 - ORM library for scala, inspired by ActiveRecord of Ruby on Rails.
• Scala-Forklift - Type-safe database migration for Slick, Git, etc.
• scala-redis ★ 656 ⧗ 1 - A Scala library for connecting to a redis server, with clustering support
• scala-sql ★ 11 ⧗ 36 - Yet another SQL-based DB access library for scala language
• ScalikeJDBC ★ 633 ⧗ 0 - A tidy SQL-based DB access library for Scala developers.
• scredis ★ 147 ⧗ 34 - Non-blocking Redis client built on top of Akka IO (used by Livestream)
• Slick ★ 1598 ⧗ 1 - Modern database query and access library for Scala.
• Sorm ★ 220 ⧗ 2 - A functional boilerplate-free Scala ORM.
• Squeryl ★ 463 ⧗ 0 - A Scala DSL for talking with databases with minimum verbosity and maximum type safety.
• Tepkin ★ 85 ⧗ 104 - Reactive MongoDB Driver for Scala built on top of Akka IO and Akka Streams.

Messaging

• Op-Rabbit ★ 113 ⧗ 7 - High-level messaging library for Akka and Op-Rabbit.

Graphical User Interfaces

Libraries for creation of graphical user interfaces

• ScalaFX - Scala DSL for creating Graphical User Interfaces that sits on top of JavaFX.

Web Frameworks

Scala frameworks for web development.

• Analogweb - Tiny, simple, and pluggable web framework in Scala.
• Chaos ★ 200 ⧗ 9 - A lightweight framework for writing REST services in Scala.
• Colossus ★ 811 ⧗ 70 - lightweight framework for building high-performance applications in Scala that require non-blocking network I/O.
• Finatra ★ 1313 ⧗ 0 - A sinatra-inspired web framework for scala, running on top of Finagle.
• Lift ★ 1022 ⧗ 4 - Secure and powerful full stack web framework (discussion).
• peregine ★ 10 ⧗ 3 - A simple and async lightweight Scala web framework.
• Play ★ 8166 ⧗ 0 - Makes it easy to build scalable, fast and real-time web applications with Java & Scala.
• Reactive ★ 194 ⧗ 10 - FRP and web abstractions, which can be plugged into any web framework (currently only has bindings for Lift).
• Scalatra ★ 1997 ⧗ 2 - Tiny Scala high-performance, async web framework, inspired by Sinatra.
• Skinny Framework ★ 570 ⧗ 1 - A full-stack web app framework upon Scalatra for rapid Development in Scala.
• Socko - An embedded Scala web server powered by Netty networking and Akka processing.
• Spray ★ 2380 ⧗ 566 - A suite of scala libraries for building and consuming RESTful web services on top of Akka.
• Unfiltered ★ 642 ⧗ 3 - A modular set of unopinionated primitives for servicing HTTP and WebSocket requests in Scala.
• Xitrum - An async and clustered Scala web framework and HTTP(S) server fusion on top of Netty, Akka, and Hazelcast.

Reactive Web Frameworks

Scala libraries for Reactive Web development

• Binding.scala ★ 161 ⧗ 0 - A reactive web framework. It enables you use native XML literal syntax to create reactive DOM nodes, which are able to automatically change whenever the data source changes.
• Udash - a web framework based on Scala.js with support for property bindings, frontend routing, i18n and much more. It also provides strongly typed client<->server RPC system based on WebSockets.
• Widok - Reactive web framework for the JVM and Scala.js

Data Binding and Validation

Scala libraries for data binding and validation

• form-binder ★ 15 ⧗ 44 - A micro data binding and validating framework, very easy to use and hack

i18n

Scala libraries for i18n.

• scala-xgettext ★ 16 ⧗ 64 - A compiler plugin that acts like GNU xgettext command to extract i18n strings in Scala source code files to Gettext .po file.
• Scaposer ★ 27 ⧗ 133 - GNU Gettext .po file loader for Scala.

Authentication

Libraries for implementing authentications schemes.

• akka-http-session ★ 191 ⧗ 11 - Web&mobile client-side sessions for akka-http based applications, with optional JWT support
• AWS Request Signer - Helper to evaluate the signing headers for HTTP requests to Amazon Web Services.
• play-pac4j ★ 225 ⧗ 17 - Security library managing authentication (CAS, OAuth, OpenID, SAML, LDAP, SQL, JWT...), authorizations and logout for Play 2.x in Java and Scala.
• play-silhouette ★ 488 ⧗ 0 - Authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, Credentials or custom authentication schemes.
• play2-auth ★ 583 ⧗ 6 - Play2.x Authentication and Authorization module.
• scala-oauth2-provider ★ 356 ⧗ 0 - OAuth 2.0 server-side implementation written in Scala.
• SecureSocial ★ 1180 ⧗ 0 - A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications.

Authorization

Libraries for implementing authorization strategies.

• deadbolt-2 ★ 417 ⧗ 10 - A Play 2.x module supporting role-based and proprietary authorization; idiomatic APIs for Scala and Java APIs are provided.

Cryptography

Cryptography and Encryption Libraries.

• Scrypto ★ 21 ⧗ 7 - All-purpose cryptographic framework.

Testing

Libraries for code testing.

• Gatling - Async Scala-Akka-Netty based Stress Tool.
• ScalaCheck ★ 1030 ⧗ 3 - Property-based testing for Scala.
• ScalaMeter - Performance & memory footprint measuring, regression testing.
• ScalaMock - Scala native mocking framework
• scalaprops ★ 128 ⧗ 1 - Another property based testing library for Scala
• ScalaTest ★ 428 ⧗ 0 - A testing tool for Scala and Java developers.
• Scalive ★ 133 ⧗ 2 - Connect a Scala REPL to running JVM processes without any prior setup; this library is used for inspecting systems in production mode.
• Specs2 ★ 521 ⧗ 1 - Software Specifications for Scala.
• µTest ★ 167 ⧗ 21 - A tiny, portable testing library for Scala.

JSON

Libraries for work with json.

• argonaut - Purely Functional JSON in Scala.
• circe ★ 503 ⧗ 1 - JSON library based on Argonaut, depends on Cats
• jackson-module-scala ★ 276 ⧗ 7 - Add-on module for Jackson to support Scala-specific datatypes.
• jawn ★ 206 ⧗ 12 - Fast json parser (According to them, competetive with java gson/jackson speed).
• json4s ★ 707 ⧗ 0 - Project aims to provide a single AST to be used by other scala json libraries.
• persist-json ★ 7 ⧗ 170 - Fast json parser.
• play-json - Flexible and powerful JSON manipulation, validation and serialization, with no reflection at runtime.
• qbproject ★ 10 ⧗ 90 - Scala Libs around JSON and API developement for Play Framework.
• scala-jsonapi ★ 48 ⧗ 2 - Support library for integrating the JSON API spec with Scala and Spray JSON, Play! JSON or Circe.
• scalajack ★ 74 ⧗ 96 - Fast 'n easy JSON serialization with optional MongoDB support. Uses Jackson under the hood.
• sonofjson ★ 21 ⧗ 13 - A Scala library for dealing with JSON in a way that makes it almost feel native.
• spray-json ★ 530 ⧗ 3 - Lightweight, clean and efficient JSON implementation in Scala.

YAML

Libraries for work with YAML.

• MoultingYAML ★ 20 ⧗ 23 - Type-class based YAML serialization and deserialization on top of SnakeYAML.

Serialization

Libraries for serializing and deserializing data for storage or transport.

• avro-codegen ★ 20 ⧗ 7 - Code generation from avro schemas to serialize/deserialize avro messages, no runtime reflection.
• Chill ★ 349 ⧗ 0 - Extensions for the Kryo serialization library to ease configuration in systems like Hadoop and Storm.
• Pickling ★ 776 ⧗ 1 - Fast, customizable, boilerplate-free pickling support.
• ScalaBuff ★ 209 ⧗ 0 - a Scala Protocol Buffers (protobuf) compiler
• ScalaPB - A Protocol Buffer generator for Scala.
• scodec ★ 409 ⧗ 5 - A combinator library for working with binary data.
• Scrooge - An Apache Thrift code generator for Scala.
• validation ★ 150 ⧗ 2 - Advanced validation & serialization for JSON, HTML form data, etc, with no reflection at runtime.
• µPickle - A lightweight serialization library for Scala that works in ScalaJS, allowing transfer of structured data between the JVM and JavaScript.

Science and Data Analysis

Libraries for scientific computing, data analysis and numerical processing.

• Algebird ★ 1287 ⧗ 0 - Abstract Algebra for Scala.
• Axle - Spire-based DSL for scientific cloud computing.
• Breeze ★ 1642 ⧗ 0 - Breeze is a numerical processing library for Scala.
• Chalk ★ 206 ⧗ 13 - Chalk is a natural language processing library.
• FACTORIE ★ 426 ⧗ 0 - A toolkit for deployable probabilistic modeling, implemented as a software library in Scala.
• Figaro ★ 355 ⧗ 0 - Figaro is a probabilistic programming language that supports development of very rich probabilistic models.
• MGO ★ 13 ⧗ 4 - Modular multi-objective evolutionary algorithm optimization library enforcing immutability.
• MLLib - Machine Learning framework for Spark
• ND4S ★ 140 ⧗ 5 - N-Dimensional arrays and linear algebra for Scala with an API similar to Numpy. ND4S is a scala wrapper around ND4J.
• OpenMOLE - OpenMOLE (Open MOdeL Experiment) is a workflow engine designed to leverage the computing power of distributed execution environments for naturally parallel processes.
• OscaR - a Scala toolkit for solving Operations Research problems
• Persist-Units ★ 7 ⧗ 64 - Type check units of measure in Scala.
• PredictionIO ★ 9446 ⧗ 0 - machine learning server for developers and data scientists. Built on Apache Spark, HBase and Spray
• Saddle ★ 392 ⧗ 12 - A minimalist port of Pandas to Scala
• Smile - Statistical Machine Intelligence and Learning Engine. Smile is a fast and comprehensive machine learning system.
• Spark Notebook ★ 1439 ⧗ 0 - Scalable and stable Scala and Spark focused notebook bridging the gap between JVM and Data Scientists (incl. extendable, typesafe and reactive charts).
• Spire ★ 983 ⧗ 0 - Powerful new number types and numeric abstractions for Scala.
• Squants ★ 283 ⧗ 7 - The Scala API for Quantities, Units of Measure and Dimensional Analysis.
• Zeppelin - Scala and Spark Notebook (like IPython Notebook)

Big Data

• BIDMach ★ 629 ⧗ 0 - CPU and GPU machine learning library, using JNI for GPU computation.
• Gearpump ★ 558 ⧗ 1 - Lightweight real-time big data streaming engine
• GridScale ★ 12 ⧗ 189 - A Scala API for computing clusters and grids.
• Kafka ★ 3533 ⧗ 0 - Kafka is a message broker project and aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds.
• Reactive-kafka ★ 578 ⧗ 0 - Reactive Streams API for Apache Kafka.
• Scalding ★ 2586 ⧗ 1 - A Scala binding for the Cascading abstraction of Hadoop MapReduce.
• Scoobi ★ 484 ⧗ 12 - Write type-safe Hadoop programs in idiomatic Scala way
• Scoozie ★ 66 ⧗ 8 - Scala DSL on top of Oozie XML
• Scrunch - A Scala wrapper for Apache Crunch which provides a framework for writing, testing, and running MapReduce pipelines.
• Shadoop ★ 8 ⧗ 329 - A Scala DSL for Hadoop MapReduce.
• Spark - Lightning fast cluster computing — up to 100x faster than Hadoop for iterative algorithms (memory caching) and up to 10x faster than Hadoop for single-pass MapReduce jobs. Compatible with YARN-enabled Hadoop clusters, can run on Mesos and in stand-alone mode as well.
• spark-deployer ★ 62 ⧗ 8 - A sbt plugin which helps deploying Apache Spark stand-alone cluster and submitting job on cloud system like AWS EC2.
• Sparkta ★ 235 ⧗ 5 - Real Time Aggregation based on Spark Streaming.
• Summingbird ★ 1764 ⧗ 0 - An implementation of the “lambda architecture” as a software abstraction — a single API for Hadoop and Storm.

Image processing and image analysis

2D and 3D image processing and image analysis

• scalismo ★ 31 ⧗ 4 - Shape modelling and model-based image analysis.
• scrimage ★ 384 ⧗ 2 - Image io, resize, manipulation and thumbnails.

Sound processing and music

• ScalaCollider ★ 100 ⧗ 42 - Sound synthesis and signal processing client for SuperCollider.

Functional Reactive Programming

Event streams, signals, observables, etc.

• Monix ★ 464 ⧗ 0 - Extensions to Scala’s standard library for multi-threading primitives and functional reactive programming. Scala.js compatible.
• Reactive Collections ★ 2 ⧗ 26 - A library that incorporates event streams and signals with specialized collections called reactive containers, and expresses concurrency using isolates and channels.
• RxScala ★ 505 ⧗ 0 - Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
• scala.frp ★ 18 ⧗ 72 - Functional Reactive Programming for Scala (event streams).
• Scala.Rx ★ 684 ⧗ 6 - An experimental library for Functional Reactive Programming in Scala (reactive variables). Scala.js compatible.
• SynapseGrid ★ 90 ⧗ 91 - an FRP framework for constructing reactive real-time immutable data flow systems. It implements an original way of running and organizing event-driven systems based on Petri nets. The topology can be viewed as a .dot graph. The library is compatible with Akka and can seamlessly communicate with other actors.
• Vertx.io - A polyglot reactive application platform for the JVM which aims to be an alternative to node.js. Its concurrency model resembles actors. It supports Scala, Clojure, Java, Javascript, Ruby, Groovy and Python.

Modularization and Dependency Injection

Modularization of applications, dependency injection, etc.

• Cableguy ★ 1 ⧗ 3 - Macro based compile time Dependency Injection library.
• Domino ★ 2 ⧗ 197 - Write elegant OSGi bundle activators in Scala.
• MacWire ★ 518 ⧗ 0 - Scala Macro to generate wiring code for class instantiation. DI container replacement.
• Scala-Guice ★ 169 ⧗ 1 - Scala extensions for Google Guice
• Scaldi ★ 216 ⧗ 14 - Lightweight Scala Dependency Injection Library.
• Sclasner ★ 9 ⧗ 245 - Scala classpath scanner.
• SubCut ★ 397 ⧗ 6 - Scala Uniquely Bound Classes Under Traits.

Distributed Systems

Libraries and frameworks for writing distributed applications.

• Akka - A toolkit and runtime for building highly concurrent, distributed, and fault tolerant event-driven applications.
• Akka-tracing ★ 212 ⧗ 0 - A distributed tracing extension for Akka. Provides integration with Play framework, Spray and Akka HTTP.
• Clump - A library for expressive and efficient service composition
• CurioDB ★ 424 ⧗ 2 - Distributed & Persistent Redis Clone built with Scala & Akka.
• Finagle - An extensible, protocol-agnostic RPC system designed for high performance and concurrency.
• Glokka ★ 46 ⧗ 29 - Library to register and lookup actors by names in an Akka cluster.
• Lagom - Framework for creating microservice-based systems.

Extensions

Scala extensions.

• Ammonite-Ops - Safe, easy, filesystem operations in Scala as convenient as in the Bash shell.
• better-files ★ 580 ⧗ 0 - Simple, safe and intuitive Scala I/O. better-files is a dependency-free pragmatic thin Scala wrapper around Java NIO.
• Cassovary ★ 837 ⧗ 1 - A Scala library that is designed from the ground up for space efficiency, handling graphs with billions of nodes and edges.
• cats ★ 3 ⧗ 9 - Lightweight, modular, and extensible library for functional programming.
• Each ★ 94 ⧗ 11 - A macro library that converts native imperative syntax to Scalaz's monadic expressions.
• enableIf.scala ★ 26 ⧗ 20 - A library that switches Scala code at compile-time, like #if in C/C++.
• Enumeratum ★ 178 ⧗ 0 - A macro to replace Scala enumerations with a sealed family of case objects. This allows additional checks for the compiler, e.g. for missing cases in a match statement. Has additinal support for Json libraries and the Play framework.
• Hamsters ★ 99 ⧗ 8 - A mini Scala utility library. Compatible with functional programming beginners. Featuring validation, monad transformers, HLists, Union types.
• Lamma ★ 57 ⧗ 1 - A Scala date library for date and schedule generation.
• Log4s - Fast, Scala-friendly logging bindings on top of SLF4J. Uses macros for extreme performance.
• Monocle ★ 600 ⧗ 0 - An Optics/Lens library for purely functional manipulation of immutable objects.
• Persist-Logging ★ 21 ⧗ 5 - Comprehensive logging library for Scala.
• Quicklens ★ 194 ⧗ 2 - modify deeply nested case class fields with an elegant API
• Rapture (repo) - a collection of libraries for common, everyday programming tasks (I/O, JSON, i18n, etc.)
• refined ★ 293 ⧗ 2 - Simple refinement types with compile- and runtime checking
• Resolvable ★ 31 ⧗ 63 - A library to optimize fetching immutable data structures from several endpoints in several formats.
• Scala Async ★ 680 ⧗ 8 - An asynchronous programming facility for Scala.
• Scala Blitz - A library to speed up Scala collection operations by removing runtime overheads during compilation, and a custom data-parallel operation runtime.
• Scala Graph - A Scala library with basic graph functionality that seamlessly fits into the Scala standard collections library.
• scala.meta - A clean-room implementation of a metaprogramming toolkit for Scala.
• Scalactic - Small library of utilities related to quality that helps keeping code clear and correct.
• Scalaz ★ 2649 ⧗ 0 - An extension to the core Scala library for functional programming.
• Shapeless ★ 1654 ⧗ 0 - A type class and dependent type based generic programming library for Scala.
• Stateless Future ★ 142 ⧗ 6 - Asynchronous programming in fully featured Scala syntax.
• Twitter Util ★ 1593 ⧗ 2 - General-purpose Scala libraries, including a future implementation and other concurrency tools.

Misc

Projects that don't fit into any specific category.

• Ammonite-REPL - An improved Scala REPL: syntax highlighting, output formatting, multi-line input, and more.
• Fansi ★ 72 ⧗ 5 - Scala/Scala.js library for manipulating Fancy Ansi colored strings
• Miniboxing- A Scala compiler plugin that improves program performance -- see the project web site - Less boxes
• Openquant ★ 73 ⧗ 0 - A Scala open source quantitative trading platform
• Play Swagger ★ 103 ⧗ 6 - Automatically create Swagger documentation for your Play REST API
• REPLesent ★ 272 ⧗ 5 - A presentation tool built inside the Scala REPL. Runs code straight from your slides with a single keystroke.
• scala-ssh ★ 169 ⧗ 0 - Remote shell access via SSH for your Scala applications
• Scalan ★ 71 ⧗ 2 - A framework for development of domain-specific compilers in Scala
• ScalaSTM - Software Transaction Memory for Scala
• Simple Scala Config ★ 20 ⧗ 0 - Thin, idiomatic Scala wrapper around Typesafe Config with custom Reader[T] suppport.
• YahooFinanceScala ★ 5 ⧗ 0 - Get stock data from Yahoo Finance using Akka http.
• GoogleApiScala - A simple scala library offering control of Google Drive, Calendar, and the Admin SDK.

Android

Scala libraries and wrappers for Android development.

• Android SDK Plugin for SBT ★ 491 ⧗ 0 - An sbt plugin that adds tasks for developing Android applications.
• Gradle Android Scala Plugin ★ 287 ⧗ 8 - A gradle plugin that allows you to use Scala with Android
• Macroid ★ 443 ⧗ 7 - A modular functional UI language for Android.
• Scaloid ★ 1990 ⧗ 0 - Less painful Android development with Scala.

HTTP

Scala libraries and wrappers for HTTP clients.

• Dispatch ★ 346 ⧗ 1 - Library for asynchronous HTTP interaction. It provides a Scala vocabulary for Java’s async-http-client.
• Finch.io ★ 743 ⧗ 0 - Purely Functional REST API atop of Finagle.
• Http4s ★ 517 ⧗ 0 - A minimal, idiomatic Scala interface for HTTP.
• Netcaty ★ 11 ⧗ 178 - Simple net test client/server for Netty and Scala lovers.
• Newman ★ 239 ⧗ 41 - A REST DSL that tries to take the best from Dispatch, Finagle and Apache HttpClient. See here for rationale.
• scalaj-http ★ 436 ⧗ 0 - Simple scala wrapper for HttpURLConnection (including OAuth support).
• Scalaxb ★ 204 ⧗ 9 - An XML data-binding tool for Scala that supports W3C XML Schema (xsd) and Web Services Description Language (wsdl) as the input file.
• Spray - Actor-based library for http interaction.
• Tubesocks ★ 7 ⧗ 253 - Library supporting bi-directional communication with websocket servers.

Semantic Web

Scala libraries for interactions with the Web of Data, and other RDF tools.

• Banana-RDF ★ 185 ⧗ 10 - Scala-friendly abstractions for RDF and Linked Data technologies. Supports Jena, Sesame and native Scala.
• rdfp ★ 1 ⧗ 337 - RDF stream processing framework in Scala

Metrics and Monitoring

Scala libraries for gathering metrics and monitoring applications.

• Kamon - Gathering metrics from applications built with Akka, Spray and Play! with support for user metrics as well.

Parsing

Scala libraries for creating parsers.

• atto ★ 121 ⧗ 31 - Pure functional incremental text parsing library for Scala, based on Attoparsec.
• Fast Parse ★ 380 ⧗ 2 - Fast to write, Fast running Parsers in Scala
• Parboiled2 ★ 451 ⧗ 4 - A Fast Parser Generator for Scala 2.10.3+.
• Scala Parser Combinators ★ 159 ⧗ 5 - Scala Standard Parser Combinator Library.

Sbt plugins

Sbt plugins to make your life easier.

• pttrt ★ 3 ⧗ 37 - A sbt plugin, designed to pass data from compile-time to run-time.
• sbt-api-mappings ★ 30 ⧗ 38 - A Sbt plugin that resolves external API links to common Scala libraries.
• sbt-buildinfo ★ 222 ⧗ 2 - Generates Scala source from build definition.
• sbt-classfinder ★ 3 ⧗ 70 - Retrieves runtime information about the classes and traits in a project.
• sbt-cppp ★ 4 ⧗ 6 - A sbt plugin to support Protocol Buffers, especially in multi-project builds.
• sbt-dependency-graph ★ 580 ⧗ 0 - Create a dependency graph for your project.
• sbt-groll ★ 80 ⧗ 9 - sbt plugin to roll the Git history.
• sbt-haxe ★ 9 ⧗ 7 - A Sbt plugin to compile Haxe sources.
• sbt-ide-settings ★ 24 ⧗ 70 - SBT plugin for tweaking various IDE settings
• sbt-native-packager ★ 650 ⧗ 0 - Bundle up Scala software for native packaging systems, like deb, rpm, homebrew, msi..
• sbt-pack ★ 256 ⧗ 19 - A sbt plugin for creating distributable Scala packages.
• sbt-revolver ★ 448 ⧗ 1 - Fork & Stop processes from sbt.
• sbt-robovm ★ 106 ⧗ 26 - An sbt plugin for iOS development in Scala
• sbt-scala-js-map ★ 9 ⧗ 70 - A sbt plugin that configures source mapping for Scala.js projects hosted on Github
• sbt-sublime ★ 134 ⧗ 7 - Create Sublime Text projects with library dependencies sources
• sbt-updates ★ 260 ⧗ 2 - Shows sbt project's dependency updates.
• sbt-versions ★ 11 ⧗ 23 - Plugin that checks for updated versions of your project's dependencies.
• sbt-view ★ 5 ⧗ 106 - View ScalaDoc/JavaDoc in browser window.
• sbteclipse ★ 581 ⧗ 1 - Create Eclipse project definitions from sbt builds.
• ScalaKata2 ★ 55 ⧗ 0 - Scala playground & Documentation tool.
• tut ★ 261 ⧗ 6 - Tool for writing documentation with typechecked examples.
• xsbt-web-plugin ★ 315 ⧗ 15 - Build enterprise J2EE Web applications in Scala.
• coursier - A Scala library to fetch dependencies from Maven / Ivy repositories

XML / HTML

XML and HTML generation and processing

• scala-scraper ★ 187 ⧗ 5 - A library for scraping content from HTML pages.
• Scalatags ★ 407 ⧗ 0 - Write html as scala code and have your ide syntax check it.
• xs4s ★ 23 ⧗ 7 - XML Streaming for Scala for processing large (gigabytes and over) XML files.

Learning Scala

Nice books, blogs and other resources to learn Scala

• Demos and Examples in Scala (Chinese) ★ 342 ⧗ 0 - repo of sample Scala library usage, written in Chinese
• Deploying Scala libraries to Sonatype for dummies ★ 18 ⧗ 23 - None
• Functional Programming in Scala - Coursera Specialization (4 courses) created by Martin Odersky et al. at the EPFL (Ecole polytechnique fédérale de Lausanne).
• Reactive Programming with Scala and Akka - Use the concepts of reactive programming to build distributed systems running on multiple nodes
• Scala Exercises - Brings the popular Scala Koans to the web. Offering hundreds of solvable exercises organized into 42 categories covering the basics of the Scala language.
• Scala in Depth - None
• Scala school - Scala school started as a series of lectures at Twitter to prepare experienced engineers to be productive Scala programmers.
• Scalera Blog - Blog about Scala language and its environment (howto's, good practices, tips,...). Weekly posts written in both spanish and english
• The Neophyte's Guide to Scala - None

JavaScript

JavaScript generation and interop libraries.

• js-scala ★ 151 ⧗ 81 - JavaScript as an embedded DSL in Scala
• scala-js-fiddle (repo) - Browser-based Scala.js playground
• Scala.js (repo) - Scala to JavaScript compiler

Tools

• Abide ★ 220 ⧗ 1 - Library for quick scala code checking and validation
• Codacy - Automated Code Reviews for Scala
• Fastring ★ 75 ⧗ 2 - Extremely fast string formatting
• Gitbucket ★ 5831 ⧗ 0 - The easily installable GitHub clone powered by Scala
• sbt (repo) - The interactive build tool for Scala
• Scala @LibHunt - The go-to Scala Toolbox.
• scala-trace-debug ★ 55 ⧗ 9 - Multithreaded print debug tool
• Scalariform ★ 121 ⧗ 77 - Scala source code formatter
• Scalastyle ★ 394 ⧗ 0 - Scala style checker.
• Scalatex ★ 204 ⧗ 0 - Programmable, Typesafe Document Generation
• Scapegoat ★ 146 ⧗ 6 - Scala compiler plugin for static code analysis
• Scaps (repo) - A search engine for Scala libraries
• Scoverage - Scala Code Coverage tool
• Wartremover ★ 532 ⧗ 1 - Wartremover a flexible Scala code linting tool

Contributing

Your contributions are always welcome! Please submit a pull request or create an issue to add a new framework, library or software to the list. Do not submit a project that hasn’t been updated in the past 6 months or is not awesome.