Open Source Web Development Projects
Discover 119 open source Web Development repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Web Development projects here are most often combined with Library, TypeScript and Python. Last updated October 4, 2026.
119 repositories · updated October 4, 2026
afilmory: Build and Host Photographer Photo Galleries
Afilmory is a photo gallery platform for photographers that syncs images from storage such as S3 or GitHub and presents them with EXIF details, maps, and a WebGL viewer. Use the hosted service for a managed gallery or self-host it for more control.
core: Compose and Render Video in the Browser
Diffusion Studio Core is a TypeScript engine for composing and rendering video, audio, and images in browser-based timeline applications. It suits developers building editors or media tools that need interactive playback and browser-based output.
galaxy: Browse and Reuse Community UI Elements
Galaxy is an archive of more than 3,000 community-made UI elements sourced from Uiverse.io. Browse the collection on the platform, then reuse CSS or Tailwind elements in your projects under the MIT License.
fumadocs: Build Documentation Sites with React
fumadocs is a framework for building documentation websites with React-based tools and Astro. It suits teams that want a flexible docs site integrated with their existing web stack.
stagewise: Build and Orchestrate Coding Agents in an IDE
stagewise is an agentic IDE that combines a browser preview, coding agent, and codebase editing workflows. It suits developers who want to inspect and change web apps without switching tools, using their own model provider or a stagewise account.
mcp-ui: Build Interactive Interfaces for MCP Tools
mcp-ui provides SDKs for attaching web interfaces to Model Context Protocol tools and rendering them in compatible hosts. Use it when an MCP server needs interactive, sandboxed UI alongside tool results.
evershop: Build Customizable TypeScript E-commerce Stores
EverShop is a TypeScript-first e-commerce platform built with GraphQL and React. Its modular architecture is aimed at developers building and customizing online stores, with Docker-based setup and documented extension and theme development.
animate.css: Add CSS Animations to Web Interfaces
Animate.css is a cross-browser CSS animation library for adding ready-made motion effects to web interfaces. Use it when you want to apply animations with CSS classes rather than build each effect from scratch.
postcard: Create a Personal Website and Newsletter
Postcard is a self-hostable Rails app for publishing a personal website, blog posts, and an integrated newsletter. It suits people who want an owned online presence and mailing list instead of relying on social media.
orpc: Build End-to-End Type-Safe APIs
oRPC is a TypeScript toolkit for defining API contracts, implementing server procedures, and calling them with end-to-end type safety. It suits teams building TypeScript APIs that need OpenAPI compatibility and integrations with common frameworks and tools.
ThreeNodes.js: Build Visual Node-Based WebGL Scenes
ThreeNodes.js is an experimental visual programming environment inspired by vvvv, built with JavaScript, HTML, and WebGL. Connect nodes to create and render 3D scenes in a browser, making it a historical prototype rather than a mature production tool.
NES.css: Build 8-Bit Styled Interfaces with CSS
NES.css is a CSS-only component framework for giving web interfaces a retro 8-bit, Nintendo Entertainment System-inspired look. It suits developers adding pixel-era styling to a site while keeping layout and application behavior under their control.