SaaSHub helps you find the best software and product alternatives Learn more →
Top 23 Scala scala-j Projects
-
Mill
Mill is a fast JVM build tool that supports Java, Scala, Kotlin and many other languages. 2-4x faster than Gradle and 4-10x faster than Maven for common workflows, Mill aims to make your project’s build process performant, maintainable, and flexible
A big problem with Bazel not mentioned here is the complexity. It's just really hard for many people to grasp, and adopting Bazel at the two places I worked was a ~10 person-year effort for the rollout with ongoing maintenance after. That's a lot of effort!
IMO Bazel has a lot of good ideas to it: hierarchical graph-based builds, pure hermetic build steps, and so on. Especially at the time, these were novel ideas. But in Bazel they are buried behind a sea of other concepts that may not be so critical: `query` vs `aquery` vs `cquery`, action-graph vs target-graph, providers vs outputs, etc. Some of these are necessary for ultra-large-scale builds, some are compromises due to legacy, but for the vast majority of non-Google-scale companies there may be a better way.
But I'm hoping the next generation of build tools can simplify things enough that you don't need a person-decade of engineering work to adopt it. My own OSS project Mill (https://mill-build.org/) is one attempt in that direction, by re-using ideas from functional and object-oriented programming to hopefully make build graphs easier to describe and work with
-
CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
-
-
jsoniter-scala
Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster
-
-
-
-
-
InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
-
-
-
youi
Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop.
-
-
rtree2d
RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
-
calico
Calico is a UI library for the Typelevel.js ecosystem. It leverages the abstractions provided by Cats Effect and FS2 to provide a fluent DSL for building web applications that are composable, reactive, and safe. If you enjoy working with Cats Effect and FS2 then I hope that you will like Calico as well. (by armanbilge)
-
-
-
-
cazadescuentos
A platform to catch price drops while shopping online, powered by a browser extension, webapp, android app, and more
-
-
-
-
-
-
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).
Scala scala-js discussion
Scala scala-js related posts
-
Tyrian – The Elm Architecture for Scala.js
-
Is there any project on langchain with scala
-
At long last.. Tyrian (0.7.0) get's frontend routing!
-
Designing an HTML Component system
-
Indigo: A game engine for functional programmers, in Scala
-
Tyrian: Elm-inspired, purely functional UI library for Scala 3
-
Scala DevInTraining looking to contribute to projects
-
A note from our sponsor - SaaSHub
www.saashub.com | 25 Apr 2025
Index
What are some of the best open-source scala-j projects in Scala? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Mill | 2,381 |
| 2 | Laminar | 790 |
| 3 | jsoniter-scala | 770 |
| 4 | tyrian | 377 |
| 5 | smithy4s | 370 |
| 6 | scalaprops | 278 |
| 7 | Airstream | 255 |
| 8 | sbt-crossproject | 241 |
| 9 | scalajs-bundler | 238 |
| 10 | Converter | 229 |
| 11 | youi | 212 |
| 12 | dotty-cps-async | 185 |
| 13 | rtree2d | 135 |
| 14 | calico | 125 |
| 15 | scala-json | 62 |
| 16 | minart | 55 |
| 17 | Demos | 47 |
| 18 | cazadescuentos | 42 |
| 19 | sbt-scala-js-map | 36 |
| 20 | scala-js-snabbdom | 18 |
| 21 | vscode-scalajs-hello | 9 |
| 22 | scommons-react | 5 |
| 23 | scommons-websql | 1 |
Sponsored
CodeRabbit: AI Code Reviews for Developers
Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
coderabbit.ai