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
TimeSide: Process and Analyze Audio at Scale
TimeSide is a Python framework and server for analyzing, transforming, visualizing, and streaming audio and video. It suits research teams and developers building audio workflows, archives, or web services that need extensible processing across large collections.
onur.dev: A Personal Website for Writing and Bookmarks
onur.dev is a Next.js personal website for publishing writing, presenting a professional journey, and sharing bookmarks. It combines Contentful and Raindrop content with a Tailwind CSS interface, and is a useful starting point for a content-rich personal site.
abp: Build Modular Enterprise Applications on ASP.NET Core
ABP is an opinionated .NET framework for building enterprise web applications with reusable architecture and infrastructure. It suits teams that want built-in support for modularity, multi-tenancy, and common application concerns rather than assembling each capability themselves.
flexsearch: Full-Text Search for JavaScript Apps
FlexSearch is a JavaScript search library for browser and Node.js applications. It supports in-memory and persistent indexes, flexible matching, document search, and worker-based processing for projects that need search without relying solely on an external search service.
omakub: Set Up an Ubuntu Web Development System
Omakub configures a fresh Ubuntu installation as an opinionated web development system, aiming to reduce the manual setup needed to get started. The repository is retired and archived, so check its documentation and successor links before choosing it for a new setup.
shadcn-landing-page: Build a Responsive Next.js Landing Page
A TypeScript landing-page template built with Next.js, shadcn/ui, and Tailwind CSS. It gives developers a responsive starting point with common marketing sections, navigation, and dark mode that can be adapted for a product or service site.
theme.park: Apply Custom Themes to Self-Hosted Apps
theme.park provides CSS themes and skins for a wide range of self-hosted web apps. It helps users give multiple services a consistent look, with setup options and app-specific guidance in its documentation.
beercss: Build Material Design Interfaces with CSS
Beer CSS is a lightweight CSS framework for building Material Design 3 interfaces with semantic HTML. It suits developers who want ready-made styling and components without a build step, and can be used alongside any JavaScript framework.
partytown: Move Third-Party Scripts Off the Main Thread
Partytown moves resource-intensive third-party scripts into a web worker so they compete less with site code for main-thread time. It is for web teams seeking to improve performance, with compatibility trade-offs to review before adopting it.
flutter: Build Apps for Mobile, Web, and Desktop
Flutter is a Dart-based UI framework for building apps across mobile, web, and desktop from a shared codebase. It suits teams that want a customizable interface and a consistent development workflow across platforms.
SkyOffice: Create an Immersive Virtual Office
SkyOffice is a browser-based virtual office where teams meet in a shared, game-like space. It combines proximity-based video chat, screen sharing, text chat, private rooms, and embedded whiteboards for remote collaboration.
SponsorBlock: Skip Sponsor Segments in YouTube Videos
SponsorBlock is a crowdsourced browser extension that detects and skips sponsor segments in YouTube videos. It also supports skipping categories such as intros, outros, and subscription reminders, and works with Invidious.