# OpenDocument Reader (open-source reading app)

> OpenDocument Reader is a free, open-source reading app for Android. Document reader & file editor for Libreoffice & OpenOffice | ODF: ODT, ODS +more. It has 473 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.

View and modify documents created using LibreOffice or OpenOffice on the go using the Document Reader & Document Editor! The file reader & document editor allows you to open files like ODF (Open Document Format) documents created using LibreOffice or OpenOffice wherever you are. In the bus on your way to school wanting to look at your notes before the big exam? No problem! With the Document Reader you can open files wherever you like and read & search through your documents to go in a clean and simple way. Is there just one last typo left to fix in your document before sending it out to colleagues? The File Editor supports modification of documents now!

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/opendocument-app/OpenDocument.droid |
| Platforms | Android |
| Built with | Kotlin |
| GitHub stars | 473 |
| License | GPL-3.0-or-later (open source) |
| F-Droid | https://f-droid.org/packages/at.tomtasche.reader/ (package at.tomtasche.reader) |
| F-Droid anti-features | none flagged |
| Google Play | https://play.google.com/store/apps/details?id=at.tomtasche.reader |
| App Store | not linked |
| Website | https://opendocument.app/ |
| Official | no |
| Category | E-book, PDF & RSS readers |
| Latest release | v4.21.0 (Oct 3, 2026) |
| Last commit | Oct 6, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

## Similar mobile apps

- [KOReader](https://appsgit.com/mobile-apps/koreader): An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices. (30,152 stars, AGPL-3.0-only)
- [Anx Reader](https://appsgit.com/mobile-apps/anx-reader): A thoughtfully crafted e-book reader for book lovers. (8,926 stars, MIT)
- [Pixiv Shaft](https://appsgit.com/mobile-apps/pixiv-shaft): PixShaft (Shaft) is an open-source third-party Pixiv client for Android — illustrations, manga, novels, rankings, FANBOX and pixiv COMIC, all in one app. (8,032 stars, GPL-2.0)
- [NewsBlur](https://appsgit.com/mobile-apps/newsblur): NewsBlur is a personal news reader that brings people together to talk about the world. (7,645 stars, MIT)
- [Read You](https://appsgit.com/mobile-apps/read-you): A modern and elegant RSS reader with Material You design. (7,581 stars, GPL-3.0-only)
- [Librera Reader](https://appsgit.com/mobile-apps/librera-reader): Librera Reader is a highly customizable and feature-rich application for reading e-books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR, DOC, DOCX, formats. (4,885 stars, GPL-3.0-or-later)

---

Canonical page: https://appsgit.com/mobile-apps/opendocument-reader
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.