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
openmaxio-object-browser: Manage MinIO Storage Through a Web UI
OpenMaxIO Object Browser is a community-maintained fork of MinIO Console, providing a web interface for browsing and managing MinIO object storage. It suits MinIO operators who want a self-hosted console and are comfortable building and running the project themselves.
copyparty: Share and Upload Files from a Portable Server
Copyparty is a portable file server for browsing, sharing, and transferring files through a web browser or network protocols. It suits people who want a flexible self-hosted file hub without a large dependency stack.
GDevelop: Build 2D, 3D, and Multiplayer Games Without Code
GDevelop is a cross-platform game engine for creating 2D, 3D, and multiplayer games with a visual, event-based editor. It suits beginners and experienced developers who want to build games without writing code for core gameplay.
maily.to: Create Responsive Emails with a Visual Editor
Maily is an opinionated email editor for building polished, mobile-ready emails with pre-designed components. It suits teams and developers who want to create consistent email layouts without hand-coding every element.
matkap: Investigate Malicious Telegram Bots
Matkap is a self-hosted web tool for authorized investigations of Telegram bots used for malware command and control. It helps security researchers find exposed bot credentials, examine bot activity, and correlate indicators with threat-intelligence sources.
buffer-overflow-lab: Demonstrate Web Application Buffer Overflows
A Python and Flask lab for safely demonstrating buffer overflow vulnerabilities in web applications. It combines a manual testing interface with an automated exploit script for secure software development training.
mirotalksfu: Self-Host WebRTC Video Conferencing
MiroTalk SFU is a self-hosted video conferencing platform built on WebRTC and mediasoup. It suits teams and organizations that want to run meetings, collaboration, and streaming on infrastructure they control.
OpenSign: Create and Manage Electronic Signatures
OpenSign is a self-hostable document-signing platform for creating, sending, and tracking electronic signatures on PDFs. It supports multiple signers, reusable templates, audit trails, and API integrations.
FoloUp: Conduct AI-Powered Voice Hiring Interviews
FoloUp is a web app for teams to create and share AI-led voice interviews based on job descriptions. It analyzes candidate responses and provides a dashboard for reviewing interview results.
Leffa: Generate Controllable Person Images
Leffa is a diffusion-based framework for virtual try-on and pose transfer that aims to preserve fine-grained details from reference images. It is suited to researchers and developers building or evaluating controllable person-image generation systems.
Zero: Self-Host an AI-Powered Email App
Zero is a self-hostable email app that connects accounts such as Gmail and Outlook in a unified inbox, with AI agents to modernize email workflows. It suits people who want an extensible alternative to closed email apps and are prepared to configure and operate the services it needs.
immich: Self-Host Photo and Video Management
Immich is a self-hosted system for backing up, organizing, and browsing photos and videos across mobile and web apps. It suits people who want a feature-rich alternative to hosted photo libraries while keeping control of their own server and files.