Software

Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android. ([Source Code](https://github.com/Atsumeru-xyz/Atsumeru), [Clients](https://atsumeru.xyz/guides/#how-does-it-work))

Manage your personal book library with ease. ([Demo](https://demo.booklogr.app/))

Host and manage books, with support for PDFs, eBooks, reading progress, metadata, and stats

Browse, read and download 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. ([Demo](https://calibre-ebook.com/demo), [Source Code](https://github.com/kovidgoyal/calibre))

Build and manage a comic book library. Download, rename, move and convert issues of the volume to your liking. ([Source Code](https://github.com/Casvt/Kapowarr))

Cross-platform e-book/manga/comic/pdf server and web reader with user management, ratings and reviews, and metadata support. ([Demo](https://www.kavitareader.com/#demo), [Source Code](https://github.com/Kareadita/Kavita))

HTTP daemon for serving wikis from ZIM files. ([Source Code](https://github.com/kiwix/kiwix-tools))

Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader. ([Source Code](https://github.com/gotson/komga))

A fast, free and open source comics, manga and digital book server with OPDS support. ([Source Code](https://github.com/stumpapp/stump))

Turnkey repository application providing durable access to digital resources. ([Source Code](https://github.com/DSpace/DSpace))

Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions. ([Demo](http://tryme.demo.eprints-hosting.org/), [Source Code](https://github.com/eprints/eprints3.4))

Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation. ([Source Code](https://github.com/fcrepo/fcrepo))

Highly scalable turn-key research data management platform with a beautiful user experience. ([Demo](https://inveniordm.web.cern.ch/), [Source Code](https://github.com/inveniosoftware/invenio-app-rdm), [Clients](https://inveniosoftware.org/products/rdm/))

Drupal module for browsing and managing Fedora-based digital repositories. ([Demo](https://sandbox.islandora.ca/), [Source Code](https://github.com/Islandora/islandora))

Front-end for the Samvera framework, which itself is a Ruby on Rails application for browsing and managing Fedora-based digital repositories. ([Source Code](https://github.com/samvera/hyrax))

Highly-scalable software for libraries that helps library patrons find library materials, and helps libraries manage, catalog, and circulate those materials. ([Source Code](https://github.com/evergreen-library-system/Evergreen))

Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more. ([Demo](https://koha-community.org/demo/), [Source Code](https://github.com/Koha-Community/Koha))

Large-scale ILS that can be run as a service with consortial features, intended primarily for library networks. Includes most standard modules (circulation, acquisitions, cataloging,...) and a web-based public and professional interface. ([Demo](https://ils.test.rero.ch/), [Source Code](https://github.com/rero/rero-ils))

E-commerce framework for building custom online shops, market places and complex B2B applications scaling to billions of items with Laravel. ([Demo](https://demo.aimeos.org/), [Source Code](https://github.com/aimeos/aimeos))

Leading Laravel open source e-commerce framework with multi-inventory sources, taxation, localization, dropshipping and more exciting features. ([Demo](https://demo.bagisto.com/), [Source Code](https://github.com/bagisto/bagisto))

E-commerce plugin for Pimcore. ([Source Code](https://github.com/coreshop/CoreShop))

Popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules. ([Source Code](https://git.drupalcode.org/project/commerce))

Leading provider of open omnichannel innovation. ([Source Code](https://github.com/magento/magento2))