Sierra is an open-source framework for simplifying development of Java Swing applications. It provides a convenient DSL for declaratively constructing Swing component hierarchies.

Platypus is a developer tool that creates native Mac applications from command line scripts such as shell scripts or Python, Perl, Ruby, Tcl, JavaScript and PHP programs. This is done by wrapping the script in a macOS application bundle along with an app binary that runs the script.


A cross-platform, customizable science fiction terminal emulator with advanced monitoring & touchscreen support.

Skija a collection of hand-crafted bindings for the JVM to the Skia library (the one that powers Chrome, Android, Flutter and Xamarin).

Happy Colors is a color palette inspiration site that acts as a real world example as to how the colors could be used.

A list of some interesting JavaScript grid components