Best open source Web Framework projects of 2026

Next.js

JAVASCRIPT

The React Framework for the Web

FastAPI

PYTHON

FastAPI framework, high performance, easy to learn, fast to code, ready for production

Svelte

JAVASCRIPT

Cybernetically enhanced web apps

Nuxt.js

TYPESCRIPT

The Intuitive Vue Framework

Astro

TYPESCRIPT

The web framework for content-driven websites

Tldraw

★ FEATUREDTYPESCRIPT

Create, collaborate, and brainstorm instantly with this free virtual whiteboard. No signup needed. Works seamlessly on mobile, tablet, and desktop devices.

tRPC

TYPESCRIPT

End-to-end typesafe APIs made easy

SolidJS

TYPESCRIPT

A declarative, efficient, and flexible JavaScript library for building user interfaces

Remix

TYPESCRIPT

Build Better Websites

Hono

TYPESCRIPT

Fast, Lightweight, Web-standards

Qwik

TYPESCRIPT

Instant-loading web apps, without effort

Automa

VUE

Automa is a browser extension for automating repetitive tasks, form filling, screenshots, and web scraping using a visual block-based interface.

Kap

TYPESCRIPT

Capture, edit, and share your screen with ease. Create stunning GIFs and videos for tutorials, demos, and bug reports.

Linkwarden

TYPESCRIPT

Open-source platform to collect, organize, and preserve webpages with powerful collaboration features

Docuseal

RUBY

DocuSeal is an open source e-signature platform that provides fast, easy document signing with developer-friendly API integration.

Logstash

JAVA

Logstash is a free and open server-side data processing pipeline that ingests data from multiple sources, transforms it, and sends it to your desired destination.

Planka

JAVASCRIPT

Open source project management tool with elegant design. Track projects, manage tasks, and collaborate with your team using this self-hosted alternative.

Harper

RUST

Open source grammar checker that analyzes your writing quickly while keeping your data completely private and secure on your device.

Flagsmith

PYTHON

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Zammad

RUBY

Zammad is an open-source helpdesk software that centralizes customer communications and helps deliver great service experiences efficiently.

Ueli

TYPESCRIPT

A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux

Vikunja

GO

A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.

Lychee

PHP

Free photo management tool that runs on your server. Upload, organize, and share photos with beautiful interface, EXIF support, and complete privacy control.

hi-events

PHP

Hi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.

Kaneo

TYPESCRIPT

Self-hosted project management platform with visual task management, data privacy, and complete control over customization - built by developers for developers.