head to head · open source
koreader vs ebook2audiobook
koreader has 30,818 GitHub stars, 2,019 forks, 1,345 open issues and last shipped yesterday. ebook2audiobook has 20,483 stars, 1,746 forks, 4 open issues and last shipped 28 days ago. koreader leads on adoption by 50% (30,818 vs 20,483 stars). koreader is written in Lua under AGPL-3.0; ebook2audiobook is written in Python under Apache-2.0. koreader has attracted 7% as many forks as stars, ebook2audiobook 9%. koreader was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (epub), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| koreader | ebook2audiobook | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 20K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Lua | Python |
| Last push | 2026-11-02 | 2026-10-06 |
| Forks | ⑂ 2.0K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koreader if
- You weight community size — 31K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Lua
- You value the larger contributor base for long-term maintenance
pick ebook2audiobook if
- You want the ebook2audiobook feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and ebook2audiobook fits your workflow better
About koreader
KOReader is a document viewer primarily aimed at e ink readers. [![AGPL Licence][badge license]](COPYING) [![Latest release][badge release]][link gh releases] [![Gitter][badge gitter]][link gitter] [![Mobileread][badge mobileread]][link forum] [![Build Status][badge circleci]][link circleci] [![Coverage Status][badge coverage]][link coverage] [![Weblate Status][badge weblate]][link weblate] Download • User guide • Wiki • Developer docs Main features portable : runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook, reMarkable), Android and Linux computers. Developers can run a KOReader emulator in Linux…
read the full koreader overview →
About ebook2audiobook
📚 ebook2audiobook (E2A) CPU/GPU Converter from E Book to audiobook with chapters and metadata using advanced TTS engines and much more. Supports voice cloning and 1158 languages! [!IMPORTANT] This tool is intended for use with non DRM, legally acquired eBooks only. The authors are not responsible for any misuse of this software or any resulting legal consequences. Use this tool responsibly and in accordance with all applicable laws. Thanks to support ebook2audiobook developers! Run locally Run Remotely GUI Interface Click to see images of Web GUI Demos New Default Voice Demo More Demos ASMR Voice Rainy Day…
read the full ebook2audiobook overview →
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Frequently asked questions
Is koreader or ebook2audiobook more popular?
koreader has 30,818 GitHub stars and ebook2audiobook has 20,483. koreader has the larger community by that measure.
Are koreader and ebook2audiobook free?
Both are open source. koreader is licensed under AGPL-3.0 and ebook2audiobook under Apache-2.0. Neither carries a licence fee.
What is the difference between koreader and ebook2audiobook?
koreader is written in Lua and ebook2audiobook in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, koreader or ebook2audiobook?
Choose koreader if you want the larger community (30,818 stars) or its AGPL-3.0 licence terms. Choose ebook2audiobook if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.