Open Source BSD User Interface (UI) Software

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box. A meticulous implementation of Material Design; every Material UI component meets the highest standards of form and function. Start quickly with Material Design or use the advanced theming feature to easily tailor the components to your needs. CSS utilities allow you to move faster and make for a smooth developer experience when styling any component. Reach out for the Figma Design Kit and the Sync plugin to bridge the gap between development and design when using Material UI.

pgDesigner is a Datamodel designer for PostgreSQL written in Gambas language.

This is a set of 3 easy to use components for Delphi / Lazarus IDE and Free Pascal THSButton THSSpeedButton and THSStaticText that will make your application look modern shiny and beautiful no much efforts are needed Sample project file is included. Features / - Style : many type of styles from soft rubber to Shiny Glass ,Quicken or Encarta with any color you choose. - Border : the size of the button border, in case it has a glass or quicken style this will change the level of the rounded corners - Smoothness : this number will give the button a smooth gradient soft look - Enter and Leave Decease option / this will give the button a nice effect when the user moves the mouse over and out of the button looks wonderful when using glow colors or glassy look. - Shape : draw you own shape and the button will take the shape of it. - all the above features applies on THSSpeedButton and THSStaticText

QBlock is a cross-platform rapid-prototyping game design engine written in C++, SDL and OpenGL. Features game asset management, scrolling tilemaps, particle systems, 3D model support, Lua scripting and more.

WireMaster is a user interface (UI) tool for creating wireframes in an open, XML based format. A wireframe is a basic visual guide used in web design to suggest the structure of a website and relationships between it's pages.

Elementals. Elementals are small creatures that have dedicated purpose.

GANDI is a Gathering of Additional Ncurses Development Implements

X11 Designer tool is used to design desktop independent basic GUI windows. A C code template source file is automatically generated after having performed a simple graphical editing. This is a simple way to create applications requiring only Xlib.

The API features a layer between the trivial PHP and the low level web GUI (XHTML, XML, Javascript, PDF, Ajax ...). It’s extensible because of its clean and easy structure. The Concept comes with a widget toolkit, many plug-ins, themes and sub-modules.

Modular python IDE with integrated GUI designer and many plugins.

DIAS stands for “Disability Impairment Approximation Simulator” and is a Netbeans IDE plugin. It approximately simulates the difficulties someone with vision and other impairments face when interacting with Java Swing GUIs.

This module extends HTML::Template::Pro to easily support methods and tags not implemented in parent module. All plugins live in the H::T::P::Extension namespace and you can built your own extension to support you prefered tags and functionality.

Fast UML is an open-source UML tool with a simple user interface pop-up free. Draw UML diagrams fast, export diagrams to png, jpg and clipboard. It pretends to be the union between Violet and UMLet.

This is a GUI library designed with the goals to be light, fast, flexible, portable, and to include all features expected from an advanced GUI. It's primarily designed for games with high demands on look and feel.

Java Runtime Designer is a visual designer component that can be easily embedded in your application and used to change the layout of the dialog at runtime. The runtime designer allows you to switch at any time between the live and design mode.

JS_Designer is a lightweight IDE to create Client-side Web-based applications ( Javascript+PHP). The goal is to have tool to build muti-lingual, skinable, professional-looking web applications, the way you would do in VB or VC.

JSwingWidget is a library designed for the quick and easy creation of many standard GUI components, using swing.

Jaylib (short for Java library) contains Eclipse plug-ins, Java libraries which include many helpers that are easy to add and use. For J2ME/MIDP 2.0, J2SE-projects or any project written in Java.

A next generation framework to wire existing javascript frameworks (Ext, Qooxdoo, Dojo, etc.) to Server code written in any .NET language.

Phino is a advanced GUI Language written on top of Python and wxPython to write GUIS in a simplified way. It supports many of the operations of python and seperates the design from the coding

Excellent addition to any application, the ProjessUpdater Application Extension (PAE) can be applied to assist in end-user updates and downloads from a centralized location. The suite consists of an open-source client and a server.

Protoreto is a GPL-licensed tool to create prototypes of graphical user interfaces (GUIs). NOTE: This project is not actively maintained at the moment. If you'd like to continue developing Protoreto, please send an e-mail to: wikipedian@users.sf.net

Quick slicer is a prototyping tool to initialize the layout of a web page.

A prototype.js and scriptaculous.js based select box replacement library that allows fully styling select boxes- button style, scrollbars, dropdown box, option images.

Modular synthesizer/effect designer and interpreter. Similar to Max/MSP and Reaktor.