head to head · open source
koodo-reader vs swift-toolkit
koodo-reader has 28,699 GitHub stars, 2,148 forks, 271 open issues and last shipped 2 days ago. swift-toolkit has 574 stars, 262 forks, 58 open issues and last shipped yesterday. koodo-reader leads on adoption by 4,900% (28,699 vs 574 stars). koodo-reader is written in JavaScript under AGPL-3.0; swift-toolkit is written in Swift under BSD-3-Clause. koodo-reader has attracted 7% as many forks as stars, swift-toolkit 46%. swift-toolkit was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (cbz, 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
| koodo-reader | swift-toolkit | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 574 |
| License | AGPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | Swift |
| Last push | 2026-11-01 | 2026-11-02 |
| Forks | ⑂ 2.1K | ⑂ 262 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koodo-reader if
- You weight community size — 29K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick swift-toolkit if
- You want the swift-toolkit feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Swift
- You evaluated both and swift-toolkit fits your workflow better
About koodo-reader
简体中文 हिंदी Português Indonesian English Türkçe Koodo Reader A cross platform ebook reader Download Preview Roadmap Document Plugins Preview Features Format support: EPUB ( .epub ) PDF ( .pdf ) DRM free Mobipocket ( .mobi ) and Kindle ( .azw3 , .azw ) Plain text ( .txt ) FictionBook ( .fb2 ) Comic book archive ( .cbr , .cbz , .cbt , .cb7 ) Rich text ( .md , .docx ) HyperText ( .html , .xml , .xhtml , .mhtml , .htm ) Platform support: Windows , macOS , Linux , Android , iOS and Web Sync and backup your data with OneDrive , Google Drive , Dropbox , iCloud , MEGA , pCloud , Yandex Disk , Box , FTP , SFTP , WebDAV…
read the full koodo-reader overview →
About swift-toolkit
Readium Swift Toolkit Readium Mobile is a toolkit for ebooks, audiobooks and comics written in Swift & Kotlin. [!TIP] Take a look at the guide to quickly get started. A Test App demonstrates how to integrate the Readium Swift toolkit in your own reading app. Features ✅ Implemented 🚧 Partially implemented 📆 Planned 👀 Want to do ❌ Not planned Formats Ebook and Document Formats Audiobook Formats Comic Formats Features A number of features are implemented only for some publication formats. OPDS Support DRM Support User Guides Guides are available to help you make the most of the toolkit. Publication Opening a…
read the full swift-toolkit overview →
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Frequently asked questions
Is koodo-reader or swift-toolkit more popular?
koodo-reader has 28,699 GitHub stars and swift-toolkit has 574. koodo-reader has the larger community by that measure.
Are koodo-reader and swift-toolkit free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and swift-toolkit under BSD-3-Clause. Neither carries a licence fee.
What is the difference between koodo-reader and swift-toolkit?
koodo-reader is written in JavaScript and swift-toolkit in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, koodo-reader or swift-toolkit?
Choose koodo-reader if you want the larger community (28,699 stars) or its AGPL-3.0 licence terms. Choose swift-toolkit if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.