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youi

Framework for building web, mobile and desktop user interfaces and applications in Scala and Scala.js.

youi is a framework for user interfaces and applications in Scala and Scala.js, written for web, mobile and desktop. Its app module joins client and server code in one project: the compiled Scala.js front end is served by a JVM server.

Projects are set up with the youi-plugin for sbt or with the library dependencies declared by hand. The tutorial in the app module, which presumes sbt, is the project’s own walkthrough.

OUTR Technologies, LLC holds the copyright in the MIT-licensed code.

Worth knowing

The README says heavy development is under way toward 1.0, and the newest version on Maven Central was uploaded in 2021.

Identity

Status
Stub
Maintainer
OUTR Technologies, LLC5
Maintained by
Company5
First release
20164

Rendering and deploy

Runs as
Always on3
Install with
sbt plugin (youi-plugin) or sbt dependencies3

Releases

Current major version
Pre-1.04
Last release
2021-11-284

Adoption

GitHub stars
2142
Contributors
87

Why these figures do not compare

Sources

  1. 2026-10-26: links
    www.youi.io/
  2. 2026-10-26: links, Written in, License model, GitHub stars
    api.github.com/repos/outr/youi
  3. 2026-10-26: links, Runtime, Runs as, Install with
    github.com/outr/youi/blob/master/app/README.md
  4. 2026-10-26: First release, Current major version, Last release
    repo1.maven.org/maven2/io/youi/youi-core_2.12/maven-metadata.xml
  5. 2026-10-26: Maintainer, Maintained by, License
    github.com/outr/youi/blob/master/LICENSE
  6. 2026-10-26: Categories
    github.com/outr/youi/blob/master/README.md
  7. 2026-10-26: Contributors
    api.github.com/repos/outr/youi/contributors

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