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FlatLaf - Flat Look and Feel

FlatLaf is a modern open-source cross-platform Look and Feel for Java Swing desktop applications.

It looks almost flat (no shadows or gradients), clean, simple and elegant. FlatLaf comes with Light, Dark, IntelliJ and Darcula themes, scales on HiDPI displays and runs on Java 8 or newer (LTS and latest).

The look is heavily inspired by Darcula and IntelliJ themes from IntelliJ IDEA 2019.2+ and uses almost the same colors and icons.

FlatLaf Light

FlatLaf Dark

macOS Themes

FlatLaf macOS themes

IntelliJ Platform Themes

FlatLaf can use 3rd party themes created for IntelliJ Platform (see IntelliJ Themes Pack):

IntelliJ Platform Themes

Sponsors

<a href="https://www.ej-technologies.com/"><img src="https://www.formdev.com/flatlaf/sponsor/ej-technologies.png" width="200" alt="ej-technologies" title="ej-technologies - Java APM, Java Profiler, Java Installer Builder"></a>         <a href="https://www.dbvis.com/"><img src="https://www.formdev.com/flatlaf/sponsor/dbvisualizer.svg" width="200" alt="DbVisualizer" title="DbVisualizer - SQL Client and Editor"></a>         <a href="https://www.dscsag.com/"><img src="https://www.formdev.com/flatlaf/sponsor/DSC.png" height="48" alt="DSC Software AG" title="DSC Software AG - Your Companion for Integrative PLM"></a>

Become a Sponsor

Demo

Download Demo

Run demo with java -jar flatlaf-demo-<version>.jar (or double-click it). Requires Java 8 or newer.

Download

FlatLaf binaries are available on Maven Central.

If you use Maven or Gradle, add a dependency with following coordinates to your build script:

groupId:     com.formdev
artifactId:  flatlaf
version:     (see button below)

Otherwise, download flatlaf-<version>.jar here:

Maven Central

See also Native Libraries distribution for instructions on how to redistribute FlatLaf native libraries with your application.

Snapshots

FlatLaf snapshot binaries are available on Sonatype OSSRH. To access the latest snapshot, change the FlatLaf version in your dependencies to <version>-SNAPSHOT (e.g. 0.27-SNAPSHOT) and add the repository https://oss.sonatype.org/content/repositories/snapshots/ to your build (see Maven and Gradle docs).

Addons

Getting started

To use FlatLaf, add following code to your main method before you create any Swing component:

FlatLightLaf.setup();

// create UI here...

Documentation

For more information and documentation visit FlatLaf Home:

Theme Editor

The Theme Editor that supports editing FlatLaf theme properties files. See Theme Editor documentation for details and downloads.

Theme Editor

Buzz

Applications using FlatLaf

Featured

Data

Security

Software Development

Electrical

Media

Modelling

Documents

Geo

Business / Legal

Messaging

Gaming

Utilities

Miscellaneous