head to head · open source
ebook2audiobook vs papermill
ebook2audiobook has 20,198 GitHub stars, 1,728 forks, 4 open issues and last shipped yesterday. papermill has 6,486 stars, 463 forks, 196 open issues and last shipped 2 months ago. ebook2audiobook leads on adoption by 211% (20,198 vs 6,486 stars). ebook2audiobook is written in Python under Apache-2.0; papermill is written in Python under BSD-3-Clause. ebook2audiobook has attracted 9% as many forks as stars, papermill 7%. ebook2audiobook was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| ebook2audiobook | papermill | |
|---|---|---|
| GitHub stars | ★ 20K | ★ 6.5K |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-07-06 |
| Forks | ⑂ 1.7K | ⑂ 463 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ebook2audiobook if
- You weight community size — 20K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick papermill if
- You want the papermill feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Python
- You evaluated both and papermill fits your workflow better
About ebook2audiobook
ebook2audiobook (E2A) is an open source Python tool that converts e books into audiobooks with chapters and metadata, using advanced text to speech engines. It supports voice cloning and 1158 languages, and runs on CPU or GPU. The project lives in the Python ecosystem, is licensed under Apache 2.0, and carries topics covering audiobook, TTS, voice cloning, multilingual output, Gradio, Docker, and XTTS. It has been on GitHub for three years and holds roughly 20,175 stars and 1,727 forks.
read the full ebook2audiobook overview →
About papermill
Papermill is a Python tool published under the BSD 3 Clause licence by the nteract project that parameterizes, executes, and analyzes Jupyter notebooks, and it is aimed at teams who need to run the same notebook repeatedly with different inputs inside data pipelines.
read the full papermill overview →
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Frequently asked questions
Is ebook2audiobook or papermill more popular?
ebook2audiobook has 20,198 GitHub stars and papermill has 6,486. ebook2audiobook has the larger community by that measure.
Are ebook2audiobook and papermill free?
Both are open source. ebook2audiobook is licensed under Apache-2.0 and papermill under BSD-3-Clause. Neither carries a licence fee.
What is the difference between ebook2audiobook and papermill?
ebook2audiobook is written in Python and papermill 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, ebook2audiobook or papermill?
Choose ebook2audiobook if you want the larger community (20,198 stars) or its Apache-2.0 licence terms. Choose papermill if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.