Scala Scala3

Open-source Scala projects categorized as Scala3

Top 17 Scala Scala3 Projects

  • dotty

    The Scala 3 compiler, also known as Dotty.

    Project mention: Is the Scala Center really working on Scala 4? | | 2023-01-30

    im glad to tell you that in 3.3.0 a lot of these -Wunused lints will be supported: see

  • trading

    💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)

    Project mention: Functional Event-Driven Architecture: Powered by Scala 3 is now 100% complete | | 2023-01-02
  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

  • scalaprops

    property based testing library for Scala

  • functional-way

    Write small programs (eg -algorithms) in a functional way.

  • scala3.g8

    Project mention: [NEWBIE] Problem with the very first project (Coursier installer, Win 10, Java 8) | | 2022-08-30

    Thanks for the reply and the info. I looked at template repo that sbt is supposedly grabbing when you do sbt new scala/scala3.g8 and project/ lists sbt version 1.7.1 so it seems that there is some crossed wire here.

  • scala3-migrate

    A tool to help migrating from Scala 2 to Scala 3

    Project mention: Show HN: Simple games ported to Scala 3 – Try them in the browser | | 2022-06-26

    > If I recall, there's a compiler plugin they put out that could automatically make many of those changes

    Actually, there are compiler options to rewrite the sources to/from scala3, I have tried this in more complex projects and it worked nicely (see

    This is the link to the plugin you mentioned which is supposed to avoid the manual syntax updates but I haven't had the need to try it, like you said, most of the times the changes are trivial enough (

    > An example of one of the programmable games in action

    This comes handy to me, looks cool! For one or another reason, I ended up in this page which seems to intend hosting the same app but it doesn't work, just wanted to let you know (

    There is a similar nice project which I have been looking into (

  • Inkuire

    Hoogle-like searches for Scala 3 and Kotlin

    Project mention: How do you open/index Scala projects (microservices) with IntelliJ Ultimate? | | 2022-11-09
  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

  • scala-js-games

    Simple games ported to Scala.js (Scala 3)

    Project mention: Show HN: Simple games ported to Scala 3 – Try them in the browser | | 2022-06-26
  • scala-ql

    Data manipulation and reporting for Scala.

    Project mention: load csv into map and query like sql possible? | | 2023-01-29
  • scala-3-crash-course

    Scala 3 workshop presenting the top new features of the language.

  • advent-of-code-scala

    Complete 2022 to 2015 entries for the annual Advent of Code challenge, written in concise idiomatic functional Scala.

    Project mention: -🎄- 2022 Day 7 Solutions -🎄- | | 2022-12-06

    Scala (2973 / 2888)

  • virgil

    A purely functional Cassandra client built using ZIO on top of the Datastax Java Driver (by kaizen-solutions)

  • ultraviolet

    Scala 3 to GLSL transpiler library (by PurpleKingdomGames)

    Project mention: Ultraviolet: WebGL Shaders in Scala 3 | | 2023-02-04
  • dotty-patched

    Eval library and patched Scala-3/Dotty compiler. Evaluating source code and trees at compile time hacking multi-staging programming

    Project mention: Eval and dotty-patched (how to evaluate trees at compile time hacking multi-staging programming) | | 2022-10-29
  • sight-dotty

    A client for Sight APIs written in Scala 3

  • ulid-scala3

    ULID generator utility of Scala 3.

    Project mention: I want to move to Scala 3, but I'm not sure what libraries to use | | 2022-08-31

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-02-04.

Scala Scala3 related posts


What are some of the best open-source Scala3 projects in Scala? This list will help you:

Project Stars
1 dotty 5,213
2 trading 495
3 scalaprops 275
4 functional-way 124
5 scala3.g8 95
6 scala3-migrate 80
7 Inkuire 73
8 scala-js-games 55
9 scala-ql 34
10 scala-3-crash-course 33
11 advent-of-code-scala 27
12 virgil 27
13 ultraviolet 23
14 dotty-patched 15
15 sight-dotty 4
16 ulid-scala3 0
17 0
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives