Top DESIGN GitHub Repositories & Tools (2026)

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

Sketch Material 3 Expressive screens in the browser and turn them into vibe-coding prompts.

🌸 The Cutest Music Player With Support Local File and Youtube Music for Android!

An agent-first linter for Tailwind design systems. Write design system rules that agents can verify.

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.

Penpot: The open-source design platform for Product teams that need scalable collaboration.

🦭 Video/Audio Downloader for Android, based on yt-dlp

Lightweight, modern cross-platform client for PikPak powered by pikpak-kotlin. (Android & Windows Desktop)

Curated coding interview preparation materials for busy software engineers

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

☁️ Nextcloud server, a safe home for all your data

Open-source BYOK AI agent for Android. Full phone control, native Shell & Python 3, with Skills and MCP support. Built with Material 3 Expressive. Works via Shizuku (root optional). Bring any provider: OpenRouter, Ollma, and more.

A modern file manager that helps users organize their files and folders.

Free, open-source MCP server that gives AI coding agents (Claude Code, Codex, Cursor, OpenCode, ZCode…) design inspiration from award-winning websites — search with real screenshots, pull design DNA, capture and record live sites. A Mobbin alternative. No API key.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

Advanced PCB auto-router

An enterprise-class UI design language and React UI library