Browse free open source Design software and projects for Windows below. Use the toggles on the left to filter open source Design software by OS, license, language, programming language, and project status.
Get vector icons and social logos for your website or blog
GmsCore fork for ReVanced with Material You, features and improvements
MacOS like theme for all gtk based desktops
The first open source design and prototyping tool
The HTML5 Creation Engine
QuickPic Gallery Mod
Simple GTK# Paint Program
Materialize, a web framework based on Material Design
Google's Material Design in XAML & WPF, for C# & VB.Net
Open source process design kit for usage with SkyWater Technology
Robotlegs extension to facilitate the use of AS3-Signals with Robotleg
The icon set from Google
Adds mpv keybindings to create Anki cards from movies and TV shows
A UI Design Language and React UI library
The design language that makes your AI harness better at design
Software for design single skin kites, speedgliders and paragliders
Themes for Bootstrap
Figma is the first interface design tool based in the browser
Responsive, dynamic image maps
A command-line tool to generate, analyze, convert and manipulate color
A graphical Finite State Machine (FSM) designer.
Create beautiful slides on the web using Claude's frontend skills
Gemini is a modern LaTex beamerposter theme
Dark GitHub style