GPL-3.0 License Open Source Tools

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

CoreShop is a e-commerce plugin for Pimcore.

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

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.

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

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

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

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

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

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.

A web application for scheduling meetings and general polling.

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

Lightweight CalDAV and CardDAV server based on sabre/dav.

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.

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

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

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.

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

Open Source Social Networking Framework and Platform.

The open source ticket reservation system.

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