Atsumeru is a free, open-source, self-hosted server for organizing and reading manga, comics, and light novels, with Windows, Linux, and Android apps.
Researched and fact-checked by Bartu Cavusoglu · Updated July 18, 2026
Atsumeru is a free, open-source, self-hosted media server built for organizing and reading manga, comics, and light novels. Users build a personal digital library, organized into categories and sections, that can be accessed and read across multiple devices.
Atsumeru supports metadata editing via ComicInfo.xml or book_info.json, and reads a wide range of formats including CBZ, CBR, CB7, PDF, ePub, FB2, and DjVu.
It offers two-way reading-history synchronization across devices, along with dedicated manager applications for Windows and Linux and an Android client for mobile reading.
Atsumeru is built for manga, comics, and light-novel enthusiasts who want to self-host their own reading library and are comfortable running and maintaining open-source, self-hosted software.
Yes, Atsumeru is free and open source with no licensing cost.
Atsumeru supports CBZ, CBR, CB7, PDF, ePub, FB2, and DjVu files.
Yes, Atsumeru is designed to be self-hosted on your own server or Windows/Linux machine.
Yes, Atsumeru offers a dedicated Android client for reading on mobile devices.