Paid vs. Free subcategories
libvips/libvips
Resizes and converts images several times faster and with far less memory than the usual tool.
ImageMagick/ImageMagick
Converts, resizes and edits images from one typed command, across more than two hundred formats.
phosphor-icons/core 💎 hidden gem
The raw SVG files and the catalogue for the Phosphor icon family, with no framework package attached.
simple-icons/simple-icons
More than 3,400 brand logos as single-colour SVG files, released into the public domain.
johanmattssonm/birdfont 💎 hidden gem
A free desktop editor for drawing a typeface and exporting it as an installable font file.
viliusle/miniPaint
A layered image editor that runs in a browser, with no upload and nothing installed.
darktable-org/darktable
Develops raw photographs non-destructively, storing every adjustment as an instruction so the original file is never changed.
fonttools/fontspector 💎 hidden gem
A command-line tool that runs a quality checklist over font files and reports the failures.
glyphr-studio/Glyphr-Studio-2 💎 hidden gem
A font editor that runs in a browser page, aimed at beginners.
fontra/fontra 💎 hidden gem
A typeface editor that runs in a browser against a folder on your own machine, built variable-font-first.
storytold/photocraft
A free picture editor that opens Photoshop files and copies Photoshop's layout, ten days old and self-described as an early test version.
googlefonts/fontc 💎 hidden gem
It compiles font source drawings into finished OpenType and TrueType font files.
googlefonts/gftools 💎 hidden gem
The command-line tools Google's font team uses to check and package font families.
fonttools/fontbakery 💎 hidden gem
It runs a quality checklist against a font file and prints every fault it finds.
catppuccin/catppuccin
One pastel colour scheme in four shades, carried by hand into several hundred separate programs.
GraphiteEditor/Graphite
A drawing program in a browser tab that keeps every step taken as something changeable later.
fontsource/fontsource
Open-source typefaces packaged for npm, so a site serves its own fonts and fetches nothing from anybody else.
lucide-icons/lucide
One icon set drawn to a single grid and stroke weight, shipped as packages for the common web frameworks.
onlook-dev/onlook
A visual editor for React and Tailwind projects that writes every change back into the source files.
penpot/penpot
An open-source design and prototyping tool that runs in a browser and saves its work in open web formats.
shadcn-ui/ui
A catalogue of accessible React components that are copied into a project as source files instead of installed as a package.
storybookjs/storybook
A workshop that renders each interface component on its own, in every variant, and builds the result as a static site.
paulirish/lite-youtube-embed
A small custom element that replaces a YouTube iframe with a thumbnail until it is clicked.
GrapesJS/grapesjs
A free toolkit for building drag-and-drop page editors and email editors inside another program.
kieler/elkjs 💎 hidden gem
Eclipse Layout Kernel in JavaScript — the automatic graph layout React Flow does not ship, and the reason a 40-node map reads instead of tangling.
pH-7/Thumbnails-Maker 💎 hidden gem
Tiny template-based desktop thumbnail composer — 1280x720 grids, signed Mac build, opens and closes in two minutes.
reaviz/reagraph 💎 hidden gem
A React component that draws large networks of nodes and links using the browser's graphics hardware.
abhay-ramesh/Wordmark
🎨 Meet Wordmark: Your Logo Maker with Google Fonts. No-fuss, smart logo creation. 🚀
akonan/wiremd
The text-first UI design tool for developers who think in code. Create wireframes and mockups as fast as you can type—no clicking, no dragging, just pure markdown magic.
Anil-matcha/Open-AI-UGC
Open AI UGC — free, open-source alternative to Arcads and MakeUGC. Generate AI UGC video ads with realistic AI actors using Veo 3.1, Seedance 2, Grok Video, and Happy Horse 1. Self-host on Next.js + Stripe + MUAPI.
apache/echarts
Apache ECharts is a powerful, interactive charting and data visualization library for browser
awizemann/harness
AI-driven user testing for iOS Simulator, macOS apps, and web apps. Write a goal in plain language; an LLM agent drives the UI and reports friction. macOS 14+, Swift 6.
cofoundy/brand-skills
Open-source brand skills that turn an idea into a real brand — name, identity, voice & brand book — without leaving your AI agent. Works in Claude Code, Cursor & 70+ agents.
CTDave001/automated_mockups
Automatically generate product mockups at scale. Overlay designs onto t-shirt, hoodie, and other templates with precise positioning. Perfect for POD, e-commerce, and marketing.
dromara/yft-design
yft-design is a powerful, visually stunning online design tool built with Vue3, fabric.js, and Element Plus. 基于fabric.js的开源版【稿定设计】。一款美观且功能强大的在线设计工具，具备海报设计和图片编辑功能。适用于多种场景，如海报生成、电商产品图制作、文章长图设计、视频/公众号封面编辑等 。
DV0x/creative-ad-agent
Multi-agent system for generating Meta/Instagram ad creatives using Claude SDK and Nano Banana MCP
evolus/pencil
The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.
fatihaydost/brand-identity-skill
A Claude Code skill that designs a brand identity as one system: logo, typography and colour palette built together from one brief, measured, compared as identity cards, and delivered as a brand guidelines kit.
google/fonts
Font files available from Google Fonts, and a public issue tracker for all things Google Fonts
heyimjames/tela
Tela — a fast, local-first, open-source design canvas for social & ad creatives. A brandable, self-hostable Figma/Canva alternative. No account, no backend. React + Zustand + Tailwind.
hyscaler/HyCanvas
Free, open-source, AI-native design software for creating graphics, social posts, and more, with no paywalls or watermarks.
IamRamgarhia/OpenAdKit-Open-Source-AI-Marketing-Tool
Free open-source AI marketing tool and AI ad generator for Google Ads, Meta/Facebook, Instagram, TikTok, LinkedIn, YouTube and X. Open-source alternative to Jasper, AdCreative, Anyword and Copy.ai. 18 AI generators, 11 optimizers, 9 BYOK providers (Claude, GPT, Gemini, Groq, DeepSeek). Browser-only, no backend, no subscription. MIT.
ikuaitu/vue-fabric-editor
快图设计-基于fabric.js和Vue的开源图片编辑器，可自定义字体、素材、设计模板。fabric.js and Vue based image editor, can customize fonts, materials, design templates.
jblattgerste/sus-analysis-toolkit
A web-based analysis toolkit for the System Usability Scale providing calculation, plotting, interpretation and contextualization utility.
kaankiziltug/logo-design-skill
A comprehensive logo-design skill for Claude, Gemini CLI, Codex and other AI agents: principles, process, SVG craft, testing tools and a 1,400+ logo reference library.
KDE/krita
Krita is a free and open source cross-platform application that offers an end-to-end solution for creating digital art files from scratch built on the KDE and Qt frameworks.
KenKaiii/king
Your whole e-commerce creative stack in one desktop app. Generate scroll-stopping product shots, run Shopify, Amazon, Shopee, and crush ads on Meta, Google, TikTok. 160+ prompts. Zero browser tabs. Built for sellers who ship.
kgoedecke/doop
The open-source alternative to Paper.design. A multiplayer design canvas where humans and AI agents design together, live. MCP built in.
Lemoncode/quickmock
Share your ideas as low-fidelity mocks in minutes, perfect for getting started. This free, open-source wireframing tool helps you quickly create basic wireframes for your projects. It's simple to use, making it easy to sketch out ideas and organize your thoughts without the need for complex software.
motiful/product-shots
Open-source Claude Code skills that turn one product photo into a full set of e-commerce visuals — main images, A+ detail pages, multi-angle shoots, social posts, and ad creatives. For cross-border sellers on Amazon, Shopify, TikTok Shop.
neonwatty/logo-designer-skill
An agent skill for creating and refining SVG logos through guided exploration and iteration.
nexu-io/open-design
The 1st Collaborative AI Design Agent Workspace. Local-first and open source. Create motion, prototypes, websites, apps, dashboards, presentations, images, and videos with your team and AI agents. Share work, exchange feedback, and iterate together in one workspace.
OpenCoworkAI/open-codesign
Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT.
openflowkit/openflowkit
Free, open-source diagram canvas. Draw it, write it as code (Mermaid, D2, Structurizr in), ask any AI model or a local one, let Claude Code edit it live over MCP, or map a GitHub repo with every arrow cited to a file and line. MIT, local-first, no account.
poseljacob/agentic-video-editor
AI-powered video editor that turns raw footage and a creative brief into a polished ad using an ensemble of AI agents (Google Gemini + FFmpeg)
rawgraphs/rawgraphs-app
A web interface to create custom vector-based visualizations on top of RAWGraphs core
ruslanshgd/easytest
Инструменты для создания, тестирования и анализа прототипов Figma. Плагин экспортирует интерактивные прототипы, веб-приложение позволяет респондентам проходить тесты, а панель аналитики собирает данные о взаимодействии пользователей.
s1dashu/ip-as-logo-skill
A compact Agent Skill for highly simplified, rounded, subtly neo-skeuomorphic IP mascot logos.
scribusproject/scribus
Community mirror of the official Scribus SVN svn://scribus.net. Please submit PRs & Bugs to https://bugs.scribus.net .
storytold/figcraft
FigCraft: interface design and prototyping; an open-source, clean-room reimplementation of collaborative design workflows in pure Rust
SupercmoHQ/superCMO-skills
Open-source skills that empower any AI agent (Claude, Cursor, Hermes, etc.) to generate end-to-end marketing campaigns - UGC videos, ad videos, product photography and more.
tabler/tabler-icons
A set of over 6200 free MIT-licensed high-quality SVG icons for you to use in your web projects.
tmchow/illo-skill
illo skill — an AI agent skill that turns ideas and articles into original print-style editorial illustrations, starring a recurring mascot. 30+ characters packs, with ability to create your own.
WordPress/openverse
Openverse is a search engine for openly-licensed media. This monorepo includes all application code.
yakew7/DesignHub
Open-source, local-first design & brand toolkit. Build a brand once, then get logo variants, mockups, social assets, a brand book PDF and design tokens. Plus fonts, colors, icons, SVG & accessibility tools. No login, no backend.
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