GPL-3.0 License Open Source Tools

Free and open source, userfriendly ads & trackers blocking DNS server.

The open source ticket reservation system.

Open Source Social Networking Framework and Platform.

Anchr is a toolbox for tiny tasks on the internet, including bookmark collections, URL shortening and (encrypted) image uploads.

Theme built to enhance the experience of browsing web directories, using the mod_autoindex Apache module and some CSS to override the default style of a directory listing.

Terminal-based RCON client compatible with any game servers using the Source RCON Protocol.

Generate statistics from web, streaming, ftp or mail server logfiles.

Fully open-source self-hosted audiobook and podcast server. It streams all audio formats, keeps and syncs progress across devices. Comes with open-source apps for Android and iOS.

Lightweight CalDAV and CardDAV server based on sabre/dav.

Music organization man-in-the-middle of your torrent client and music player. Based on beets.io, similar to Sonarr and Radarr.

A web application for scheduling meetings and general polling.

E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients.

Web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.

A powerful bookmark manager and a personal textual mini-web.

Chamilo LMS allows you to create a virtual campus for the provision of online or semi-online training.

Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more.

The ultimate tool to interact with your audience (alternative to Slido, AhaSlides and Mentimeter).

Highly configurable Web-based framework for management, description, and discovery of digital and physical collections supporting a variety of metadata standards, data types, and media formats.

Multilingual photo gallery that integrates with various bulletin boards. Includes upload approval and password protected albums.

CoreShop is a e-commerce plugin for Pimcore.

Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.

Fast server-based photo management system for large collections of images. Includes face detection, face & object recognition, powerful search, and EXIF Keyword tagging. Runs on Linux, MacOS and Windows.

Personal cloud where you can manage and sync your contact, files and calendars, and manage your budget with an app store full of community contributions.

Crafty Controller is a free and open-source Minecraft launcher and manager that allows users to start and administer Minecraft servers from a user-friendly interface.

Lightweight, cross-platform BitTorrent client.

Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts.

Wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models.

An Instant App & API for your SQL Database. Directus wraps your new or existing SQL database with a realtime GraphQL+REST API for developers, and an intuitive admin app for non-technical users.

Application to manage your domains and other internet assets in a central location. DomainMOD includes a Data Warehouse framework that allows you to import your WHM/cPanel web server data so that you can view, export, and report on your data.

Dolibarr ERP CRM is a modern software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, …).

Auto-tagging document organizer and archive.

Home Automation System that lets you monitor and configure various devices like: Lights, Switches, various sensors/meters like Temperature, Rain, Wind, UV, Electra, Gas, Water and much more.

A highly customizable web application that allows your customers to book appointments with you via the web.

Easy-Wi is a Web-interface that allows you to manage server daemons like gameservers. In addition it provides you with a CMS which includes a fully automated game- and voiceserver lending service.

A small and easy to configure SMTP and POP3 server for Windows and Linux.

CRM with a frontend designed as a single page application, and a REST API.

Luke Smith’s bash script to completely automate the setup of a Postfix/Dovecot/SpamAssassin/OpenDKIM server on debian.

Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions.

Message transfer agent (MTA) developed at the University of Cambridge.

Marketing, sales, and customer service platform designed to help businesses attract more engaged customers.

Free open source ERP system.

A simple Document Management System for private use with basic functionality to organize your documents digitally.

Powerful RSS aggregator, able to transform and send articles to many outputs. Single binary, extensible with plugins.

FHEM is used to automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly.

A self hosted personal home page that allows for multiple users, guest access and multiple dashboards for each user. It also has “Smart Apps” which display live data for those apps.

Fasten is an open-source, self-hosted, personal/family electronic medical record aggregator, designed to integrate with 100,000’s of insurances/hospitals/clinics in the United States.

Open Source and self-hosted files sharing application based on unique and temporary links.

FileShelter is a self-hosted software that allows you to easily share files over the Internet.

Feature flag solution with support for multiple data backends (alternative to LaunchDarkly).

Lightweight & responsive user interface for Klipper, the 3D printer firmware.

Galette is a membership management web application towards non profit organizations.

Twitch VOD and Live Stream archiving platform. Includes a rendered chat for each archive.

Self-destructing, shareable, no-registration event pages.

File synchronization between computers, servers, external drives.

The flexible, open source school management platform designed to make life better for teachers, students, parents and leaders.

Free software framework for decentralized, peer-to-peer networking.

A web frontend for WeeChat.

Lightweight server to share files, which expire after a set amount of downloads or days. Similar to the discontinued Firefox Send, with the difference that only the admin is allowed to upload files.

Lightweight music streaming server. Subsonic compatible.

Habit tracker app which treats your goals like a Role Playing Game. Previously called HabitRPG.

Automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole.

Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security.

Drag-and-drop file conversion server with session based authentication, automatic temporary file maintenance, and logging capability.

A highly customizable homepage (or startpage / application dashboard) with Docker and service API integrations.

Single-script remote desktop via web browser.

Open source Django application to provide a web interface to access GNU Mailman v3 archives.

I, Librarian can organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia.

ILIAS is the Learning Management System that can cope with anything you throw at it.

Inboxen is a service that provides you with an infinite number of unique inboxes.

Full-featured mail server solution based on Postfix and Dovecot.

General-purpose, lightweight, minimalist WebRTC Server.

Lightweight SSL/TLS reverse proxy with authorization (via Telegram and SSH) for self-hosted apps.

Client IT Documentation, Ticketing, Invoicing and Accounting Web Application for MSPs (Managed Service Providers).

Free and universal communication platform which preserves the user’s privacy and freedoms (formerly GNU Ring).

Drupal module for browsing and managing Fedora-based digital repositories.

Source code management system that supports two leading version control systems, Mercurial and Git, with a web interface.

Open source API to compile and run source code.

Streaming containerized apps and desktops to end-users. Examples include Ubuntu in your browser, or simply single apps such as Chrome, OpenOffice, Gimp, Filezilla etc.

Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metadata support.

Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more.

Web management panel for Minecraft servers.

HTTP daemon for serving wikis from ZIM files.

A self-hosted Heroku PaaS alternative for Kubernetes that implements GitOps.

Innovative media browser designed for seamless streaming of anime, series and movies, offering advanced features like dynamic transcoding, auto watch history and intelligent metadata retrieval.

LazyLibrarian is a program to follow authors and grab metadata for all your digital reading needs. It uses a combination of Goodreads Librarything and optionally GoogleBooks as sources for author info and book info.

Simple Password manager.

A modern e-book reader and library manager that supports most major book formats, runs on all devices and offers great tools to boost productivity.

A bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application.

Lidarr is a music collection manager for Usenet and BitTorrent users.

Access your self-hosted music using a web interface.

All-in-one mail server that implements SMTP (both MTA and MX) and IMAP. Replaces Postfix, Dovecot, OpenDKIM, OpenSPF, OpenDMARC with single daemon.

The Gnu mailing list server.

Customizable, real-time reactive, Javascript commerce platform (formerly Reaction Commerce).

Self-hosted music scrobble database (alternative to Last.fm).

Google Analytics alternative that protects your data and your customers’ privacy.

A containerized web app for automated music mastering (alternative to LANDR, eMastered, and MajorDecibel).

A modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device.

Mautic is marketing automation software (email, social and more).

Manage my Damn Life (MMDL) is a self-hosted front end for managing your CalDAV tasks and calendars.

An intuitive UI for managing data collaboratively, for users of all technical skill levels. Built on Postgres – connect an existing DB or set up a new one.