Scala Dotty

Open-source Scala projects categorized as Dotty
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Top 13 Scala Dotty Projects

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Dotty

  1. dotty

    The Scala 3 compiler, also known as Dotty.

    Project mention: Allocating on the Stack | news.ycombinator.com | 2026-02-27

    > It's kind of like the small string optimization you see in C++ ...

    Agreed. These types of optimizations can yield significant benefits and are often employed in language standard libraries. For example, the Scala standard library employs an analogous optimization in their Set[0] collection type.

    0 - https://github.com/scala/scala3/blob/88438e2c6e6204e12666067...

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  3. Scalafix

    Refactoring and linting tool for Scala

  4. ducktape

    Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that glues your code. Scala 3 only. Or is it duct 🤔

  5. scala3-example-project

    An example sbt project that compiles using Dotty

  6. scalaprops

    property based testing library for Scala

  7. scala-3-migration-guide

    The Scala 3 migration guide for everyone.

  8. dotty-cps-async

    experimental CPS transformer for dotty

  9. scala3.g8

  10. functional-way

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

  11. Inkuire

    Hoogle-like searches for Scala 3 and Kotlin

  12. scala-3-crash-course

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

  13. dotty-patched

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

  14. advent-of-code-scala

    Solving advent of code challenges (by SimY4)

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).

Scala Dotty discussion

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Scala Dotty related posts

  • dotty-cps-async 0.9.12 is out

    3 projects | /r/scala | 8 Dec 2022

  • The case against Effect Systems (e.g., the IO data type)

    2 projects | /r/scala | 18 Oct 2022

  • dotty-cps-async 0.9.11 is out. (bugfixes and experimental loom support)

    1 project | /r/scala | 18 Sep 2022

  • dotty-cps-async 0.9.9

    1 project | /r/scala | 5 Jun 2022

  • Issues setting up Scala 3 on Windows w/Coursier

    3 projects | /r/scala | 14 Mar 2022

  • Opinions on implementing traits for validation with the help of a companion object

    2 projects | /r/scala | 26 Feb 2022

  • Also dotty-cps-async 0.9.8 with scala-native support

    1 project | /r/scala | 16 Feb 2022
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    www.saashub.com | 12 Aug 2026
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Index

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

# Project Stars
1 dotty 6,287
2 Scalafix 875
3 ducktape 439
4 scala3-example-project 337
5 scalaprops 282
6 scala-3-migration-guide 236
7 dotty-cps-async 195
8 scala3.g8 158
9 functional-way 129
10 Inkuire 93
11 scala-3-crash-course 33
12 dotty-patched 20
13 advent-of-code-scala 6

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