Open-source web apps and sites

Website builders, browsers, and web apps you can use, study, or fork.

Last updated Oct 20, 2026

23 projects

Shlink
A self-hosted URL shortener with a REST API and visit stats
Self-hosted alternatives Web apps and sites
5.3k
FxEmbed
Rich link previews for X/Twitter and Bluesky posts in chat apps
Communication Web apps and sites Self-hosted alternatives
5.8k
Complete Website Downloader
Web app that mirrors a site with wget and returns it as a zip archive
Web apps and sites Media and downloads
Ahmed Ibrahim 6k
Instatic
Self-hosted visual CMS and page builder that publishes static HTML
Web apps and sites Self-hosted alternatives
9k
is-a.dev
Free .is-a.dev subdomains for developers' personal websites
Web apps and sites Servers and infrastructure
11.6k
Puck
Embeddable drag-and-drop page editor built from your React components
Web apps and sites Languages and frameworks
13.5k
Stremio Web
Browser interface for the Stremio addon-based media center
Media and downloads Web apps and sites
14.7k
ego(lite)
Desktop browser giving AI coding agents your real logins in isolated spaces
Agent frameworks and tools Agent skills and plugins Web apps and sites
18.1k
Monkeytype
A clean, customizable typing test for practicing speed and accuracy
Education Web apps and sites
20.9k
newsnow
Web dashboard that gathers trending headlines from many news sources
Web apps and sites Self-hosted alternatives
22.1k
OpenSEO
Self-hostable SEO suite for keyword research, backlinks, and site audits
Self-hosted alternatives Web apps and sites Agent skills and plugins
24.3k
LinkSwift
Userscript that fetches direct download links from Chinese cloud drives
Media and downloads Web apps and sites
Hmjz100 26.5k
AI Website Cloner Template
Next.js starter that lets a coding agent rebuild a website from its URL
Agent skills and plugins AI coding agents Web apps and sites
JCodesMore 37k
Servo
Web browser engine written in Rust for embedding in applications
Web apps and sites Languages and frameworks
38.2k
Zen Browser
A calm Firefox-based browser with vertical tabs and split views
Web apps and sites Productivity
45k
Ghost
Publishing platform for blogs, paid memberships, and newsletters
Web apps and sites Communication Self-hosted alternatives
55.6k
Nuxt
Vue framework for full-stack apps with SSR and static generation
Languages and frameworks Web apps and sites
61k
Ladybird
A new independent web browser with its own engine, built from scratch
Web apps and sites
66.6k
Next.js
React framework for full-stack web apps with server rendering
Languages and frameworks Web apps and sites
143k
freeCodeCamp
Free, self-paced coding curriculum and the platform that serves it
Education Web apps and sites
458k
FreeDomain
Free subdomain registration service with a DNS learning guide
Web apps and sites Servers and infrastructure Education
205k
Onlook
Visual editor for designing Next.js and Tailwind apps with AI and real code
Design and creative Developer tools Web apps and sites
27k
uBlock
Browser extension that blocks ads, trackers, and malware domains
Privacy and security Web apps and sites
Raymond Hill 68.7k