[opensourcedex]

best-of ranking · updated nightly

Best Open Source Publishing Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    lerna ★ 36K

    Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

    MIT TypeScript pushed 2026-09-17 details →
  2. 2
    koreader ★ 30K

    An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

    AGPL-3.0 Lua pushed 2026-09-17 details →
  3. 3
    koodo-reader ★ 28K

    A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

    AGPL-3.0 JavaScript pushed 2026-09-17 details →
  4. 4
    calibre ★ 26K

    The official source code repository for the calibre ebook manager

    GPL-3.0 Python pushed 2026-09-17 details →
  5. 5
    readest ★ 24K

    Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to

    AGPL-3.0 TypeScript pushed 2026-09-17 details →
  6. 6
    ebook2audiobook ★ 20K

    Generate audiobooks from e-books, voice cloning & 1158+ languages!

    Apache-2.0 Python pushed 2026-09-17 details →
  7. 7
    calibre-web ★ 18K

    :books: Web app for browsing, reading and downloading eBooks stored in a Calibre database

    GPL-3.0 Fluent pushed 2026-09-05 details →
  8. 8
    LibreTranslate ★ 17K

    Free offline machine translation API you can host yourself

    AGPL-3.0 Python pushed 2026-09-03 details →
  9. 9
    PyMuPDF ★ 11K

    PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

    AGPL-3.0 Python pushed 2026-09-17 details →
  10. 10
    so-novel ★ 8.1K

    小说下载｜网文下载 | 网络小说

    AGPL-3.0 Java pushed 2026-07-26 details →
method stars desc · snapshot from github api refresh nightly related Blogging & Personal Sites, Learning Management Systems (LMS), Content Management Systems (CMS), Digital Asset Management (DAM), Community Platforms, Documentation & Knowledge Base

Related best-of lists

best Blogging & Personal Sites →best Learning Management Systems (LMS) →best Content Management Systems (CMS) →best Digital Asset Management (DAM) →best Community Platforms →best Documentation & Knowledge Base →

last updated nightly · ranking method: github stars, live-tracked

Looking for a replacement for one specific commercial product? Browse alternatives by tool →

Frequently asked questions

What is the best open source Publishing tool in 2026?

lerna leads the ranking with 36,053 GitHub stars, ahead of koreader. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Publishing tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Publishing tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.