Open Source Web Apps
Discover 208 open source Web App repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Web App projects here are most often combined with Self Hosted, TypeScript and Docker. Last updated October 4, 2026.
208 repositories · updated October 4, 2026
reddit-migrate: Transfer Data Between Reddit Accounts
reddit-migrate is a local web app for moving selected Reddit data from one account to another. It can transfer subscriptions, saved posts and comments, multireddits, and followed users, with OAuth or cookie authentication.
MiroFish: Simulate Agent Societies to Explore Possible Futures
MiroFish uses LLM-powered agents and a knowledge graph to simulate social scenarios from source material. It is aimed at teams and individuals exploring public opinion, policy, financial signals, or creative what-if scenarios before making decisions.
atomic-crm: Manage Contacts, Tasks, and Sales Deals
Atomic CRM is a customizable, self-hostable CRM built with React and Supabase. It helps teams organize contacts, follow-ups, notes, and sales deals, with options to extend the app and integrate it with other systems.
clawless: Run AI Agents in a Browser Sandbox
ClawLess runs Claw AI agents in a browser-based Node.js environment powered by WebContainers, without a backend server. It combines an editor, terminal, policy controls, and audit logging for teams building or evaluating sandboxed agent workflows.
open-carrusel: Design Instagram Carousels with Claude
Open Carrusel is a local-first web app for creating Instagram carousel slides through conversations with Claude Code. Preview, reorder, and export slides as PNGs sized for Instagram.
agentic-inbox: Manage Email with a Self-Hosted AI Assistant
Agentic Inbox is a self-hosted email client that runs on Cloudflare Workers and adds an AI agent for inbox tasks. It suits people already using Cloudflare who want email and AI tools under their own account, with Cloudflare Access as the shared security boundary.
free-the-web-apps: Turn Websites Into Desktop Apps
Free The Web Apps generates shortcuts and launch scripts that open websites in a browser without its usual interface. It suits people who want quick, app-like access to web services from desktop launchers across Linux, Windows, and macOS.
crater: Create Invoices and Track Business Expenses
Crater is a web and mobile invoicing app for individuals and businesses. It helps manage invoices, estimates, expenses, payments, and customer accounts, with a Laravel and Vue web app and React Native mobile apps.
Lychee: Manage and Share Photos on Your Own Server
Lychee is a self-hosted photo-management application for uploading, organizing, and sharing photos through a web interface. It suits individuals and groups who want control over their photo library and storage.
ai-chat: Build Laravel Apps with Streaming AI Chat
A Laravel starter kit for building authenticated AI chat applications with streamed responses and support for multiple model providers. It suits developers who want a customizable Vue and Inertia foundation rather than building chat infrastructure from scratch.
immich-drop: Collect Photos and Videos into Immich
immich-drop is a self-hosted web app for collecting uploads from guests without requiring them to log in. Administrators create shareable invite links, and uploads go directly to a configured Immich server.
sqliter: Manage SQLite Databases in a Web Interface
SQLiter is a self-hosted web interface for browsing, editing, and querying SQLite databases. It suits developers and operators who want a visual database editor alongside direct SQL access, packaged as a single executable.