Discover the best open source design tools for creating graphics, UI prototypes & visuals. Empower your creativity with collaborative, customizable solutions.
AI Assistants · Design Tools · Marketing
Create beautiful, editable PPTs from text or images — no design skills needed.
AI Design Tools · Design Tools
Free, open-source AI image upscaler with LoRA, Flux, and 13k resolution support
Design Tools · Developer Tools · Game Development
Build high-performance 2D/3D games for web, mobile, and instant platforms with a customizable engine.
AI Design Tools · AI Development · Automation
Visual AI engine for Stable Diffusion with full model support and offline capability
AI Development · Design Tools · Developer Tools
Build AI agents and workflows visually — from prototype to production.
Design Tools · Developer Tools · File Storage
Offline diagramming with enterprise-grade security and no data leaks
Collaboration · Design Tools · Note Taking
All-in-one open-source whiteboard for mind maps, flowcharts & freehand drawing
Analytics · Design Tools · Forms Surveys
Open-source survey platform with in-app, website, and email surveys
Data Engineering · Design Tools · Developer Tools
Beautiful isometric infrastructure diagrams, browser-based and offline-capable
Design Tools · Developer Tools · Game Development
Build 2D and 3D games in Rust with a powerful, open-source engine.
Design Tools · Developer Tools · Game Development
Build Game Boy games visually—no coding required.
Design Tools · Developer Tools · Game Development
Build games without code—2D, 3D, multiplayer—all in one open-source engine.
Design Tools · Developer Tools · Game Development
Free, open-source game engine for 2D and 3D games on every major platform
Code Editors · Design Tools
Node-based procedural design for vector, raster, and motion graphics—all in one open tool.
Design Tools · Developer Tools · Low Code Platforms
Open-source Retool alternative for building internal tools with drag-and-drop and self-hosting
AI Design Tools · Design Tools
Build visual content like LEGO—no prompts needed, all on your device.
Design Tools
Professional digital painting software for artists, built on KDE and Qt
AI Design Tools · Design Tools · Developer Tools
Create and edit diagrams with AI — just chat, don't drag and drop.
AI Design Tools · Design Tools
Visually design, edit, and deploy React apps with AI — no code required to start.
Design Tools
Free, private, and open-source video editing—no paywalls, no watermarks.
Design Tools · Note Taking · Productivity
Free, open-source screen recording with zooms, annotations, and crop tools
Code Editors · Design Tools · Developer Tools
Draw ideas and code in the same browser-based environment
Code Editors · Collaboration · Design Tools
Design, code, and collaborate—open source, no handoff needed.
Code Editors · Design Tools
Build React apps visually—integrate with your code, not against it.
Design Tools
Open-source 2D CAD for Windows, macOS, and Linux with DXF/DWG support
Design Tools · Developer Tools
Preview and test responsive websites across all devices in one window
Design Tools · No Code Platforms
Visual website builder with code access, static output, and plugin system for JAMStack.
Design Tools · Game Development
Simple pixel art editor — no accounts, no installs, just draw.
CMS · Design Tools · Ecommerce
Open-source Webflow alternative with full CSS control and headless CMS integration
Design Tools · Developer Tools · Game Development
Modern C++ 3D engine with DirectX 12, Vulkan, Lua scripting, and PBR rendering
Design tools are essential for anyone involved in creating visual elements, from simple graphics to complex user experiences. These applications provide a wide range of features for image manipulation, vector graphic creation, UI prototyping and wireframing. They often support collaborative workflows allowing teams to work together seamlessly on projects.
Typical features include layer-based editing, color management systems, typography controls, shape tools, and export options for various file formats. More advanced offerings include support for animation, 3D modeling, and real-time collaboration with commenting and version history. These tools frequently integrate with other development platforms, facilitating a smooth handoff from design to implementation.
Design tools solve critical problems in product development and marketing. They enable rapid prototyping of ideas, creation of consistent branding assets, and production of high-quality visuals for websites, mobile apps, and print media. Investing in open source design solutions offers greater control over your workflow, customization options to fit specific needs, and cost savings compared to proprietary alternatives. This category is valuable for designers of all skill levels, from hobbyists to professional teams.