scalafmt VS dotty

Compare scalafmt vs dotty and see what are their differences.


This repo is now a fork of ---> (by olafurpg)


The Scala 3 compiler, also known as Dotty. (by lampepfl)
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scalafmt dotty
0 52
6 5,049
- 0.7%
0.0 9.9
about 1 year ago 5 days ago
Scala Scala
Apache License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of scalafmt. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning scalafmt yet.
Tracking mentions began in Dec 2020.


Posts with mentions or reviews of dotty. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-28.
  • Eval 0.1.0 released
    4 projects | | 28 Mar 2022
    A more limited way to do runtime evaluation is via the jsr-223 support:, you can't reflect on types that way but the advantage is that you don't end up depending on compiler-internals APIs that could change in any patch release.
    4 projects | | 28 Mar 2022 points to which seems to be doing some caching via, but I have zero experience with this stuff.
    4 projects | | 28 Mar 2022
    Note though that our jsr-223 support is currently a bit limited compared to the scala 2 version:
  • Issues setting up Scala 3 on Windows w/Coursier
    3 projects | | 14 Mar 2022
    If you could open an issue at detailing your problems with the bash shell on Windows that would be useful (it's likely our scripts have only been tested with the cmd.exe shell).
  • Is there any way to have a curried function with generic parameters?
    1 project | | 5 Mar 2022
  • [Scaladoc, Scala3] Question about special character in URL in new Scaladoc in Scala3
    2 projects | | 2 Mar 2022
    That seems like a bug. Could you open an issue at
    2 projects | | 2 Mar 2022
  • Scala 3 Reflection
    5 projects | | 1 Feb 2022
    - If you can't generate a quotation and need any strings, then the next option - add compiler to the classpath and use JSR223 scripting API: (example :
  • Autowire/sloth replacements for Scala 3
    1 project | | 18 Jan 2022
    The main blocker for such libraries is now, that also blocks cats-tagless, and hopefully it will be fixed in near future. So if you can wait several months, it would be the easiest choice... so do I :)
  • GraalVM native-image with Scala 3 reflection hell
    3 projects | | 9 Jan 2022
    See, maybe the graalvm reflection config format could be enriched to support wildcards if it doesn't already?

What are some alternatives?

When comparing scalafmt and dotty you can also consider the following projects:

Scalastyle - scalastyle

Scalafix - Refactoring and linting tool for Scala

Scalariform - Scala source code formatter

sbt - sbt, the interactive build tool

Wartremover - Flexible Scala code linting tool

scalajs-benchmark - Benchmarks: write in Scala or JS, run in your browser. Live demo:

Scalatex - Programmable, Typesafe Document Generation

Mill - Your shiny new Java/Scala build tool!

Linter - Static Analysis Compiler Plugin for Scala

Quill - Compile-time Language Integrated Queries for Scala

laminar-web-components - Web Component definitions for Laminar