ebook — open-source software health

crates.io · npm

96Exceptionalhealth index

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

TypeScript★ 24.4KSep 16, 2026

AGPL-3.0Sep 16, 2026 · metrics 2.10.0

PyPI

87Excellenthealth index

kovidgoyal/calibre

The official source code repository for the calibre ebook manager

Python · C★ 26KSep 20, 2026

GPL-3.0Sep 20, 2026 · metrics 2.10.0

npm

86Excellenthealth index

harshankur/officeParser

A robust, strictly-typed Node.js and Browser library for parsing office files into a rich Abstract Syntax Tree (AST) and generating high-fidelity output in multiple formats. Parses: docx · pptx · xlsx · odt · odp · ods · pdf · rtf · csv · md · html. Generates: Markdown · HTML · CSV · RTF · PDF · Plain Text · RAG Chunks

Rich Text Format · HTML★ 533↓ 2.9M/moAug 27, 2026

MITAug 27, 2026 · metrics 2.10.0

PyPI

86Excellenthealth index

oomol-lab/pdf-craft

PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.

Python★ 6,314↓ 2,560/moSep 19, 2026

MITSep 19, 2026 · metrics 2.10.0

npm

83Excellenthealth index

likecoin/epub.ts

A TypeScript fork of epubjs — parse and render EPUB documents in the browser.

TypeScript★ 22↓ 3,507/moSep 13, 2026

Custom licenseSep 13, 2026 · metrics 2.10.0

npm

80Excellenthealth index

readium/ts-toolkit

A toolkit for ebooks, audiobooks and comics written in Typescript

TypeScript★ 148↓ 89.1K/moSep 12, 2026

BSD-3-ClauseSep 12, 2026 · metrics 2.10.0

PyPI

73Goodhealth index

aerkalov/ebooklib

A versatile Python library for EPUB2/EPUB3 manipulation and processing.

Python★ 1,808↓ 1M/moSep 12, 2026

AGPL-3.0Sep 12, 2026 · metrics 2.10.0

Go · npm

69Goodhealth index

koodo-reader/koodo-reader

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

JavaScript · TypeScript★ 28.2KSep 16, 2026

AGPL-3.0Sep 16, 2026 · metrics 2.10.0

PyPI

67Goodhealth index

JimmXinu/FanFicFare

FanFicFare is a tool for making eBooks from stories on fanfiction and other web sites.

Python★ 1,097↓ 3,265/moSep 15, 2026

Custom licenseSep 15, 2026 · metrics 2.10.0

67Goodhealth index

sazardev/go-pretty-converter

The only Markdown-to-book toolchain that checks its own work — audited PDF, EPUB, and Kindle from one source.

Go★ 0Sep 11, 2026

MITSep 11, 2026 · metrics 2.10.0

PyPI

65Goodhealth index

VirInvictus/bindery-cli

Deterministic, epubcheck-gated EPUB repair with atomic Calibre library replacement, content auditing, and a Calibre import plugin.

Python★ 3↓ 2,545/moOct 13, 2026

MITOct 13, 2026 · metrics 2.10.0

Go · npm

65Goodhealth index

aha-hyeong/kumiho

kumiho is self-hosting web media server.

TypeScript · Go★ 89Sep 13, 2026

Apache-2.0Sep 13, 2026 · metrics 2.10.0

npm

65Goodhealth index

gfazioli/mantine-book

Realistic iBooks-style book component for React built with Mantine. Stack two-sided pages and turn them by dragging any point of the free edge in any direction, or through controlled page navigation — a pure-DOM reflection fold (flat) or a true 3D WebGL curl (rounded).

TypeScript★ 4↓ 2,037/moAug 28, 2026

MITAug 28, 2026 · metrics 2.10.0

crates.io

63Moderatehealth index

DevinSterling/rbook

A fast, format-agnostic, ergonomic ebook library for reading, building, and editing EPUB 2 and 3.

Rust★ 51↓ 5,698/moOct 8, 2026

Apache-2.0Oct 8, 2026 · metrics 2.10.0

npm

63Moderatehealth index

domenic/worm-scraper

Scrapes the web serial Worm, its sequel Ward, and the bridge series Glow-worm into an ebook format

JavaScript★ 271↓ 248/moSep 19, 2026

Custom licenseSep 19, 2026 · metrics 2.10.0

npm

63Moderatehealth index

mdgate/converters

Read almost any file as Markdown for AI agents and LLM apps. 150+ formats, pure TypeScript — PDF, Office, iWork, HWP, email, ebooks, archives, and more.

TypeScript★ 2↓ 30.9K/moSep 30, 2026

MITSep 30, 2026 · metrics 2.10.0

PyPI

62Moderatehealth index

dfface/epub-browser

Yet another ebook reader alternative: polished self‑hostable browser‑based EPUB & PDF library, static‑site or multi‑user mode.

JavaScript · Python★ 9↓ 1,645/moOct 19, 2026

MITOct 19, 2026 · metrics 2.10.0

crates.io

60Moderatehealth index

ciscoriordan/kindling

The missing Kindle toolkit. Dictionaries, books, comics. Single Rust binary. ~7,000x faster than kindlegen for Modern Greek, ~40x faster for French.

Rust★ 51↓ 247/moSep 10, 2026

MITSep 10, 2026 · metrics 2.10.0

PyPI

59Moderatehealth index

sukamenev/booktrans

Whole-book translation pipeline — scouts the book, translates in context, edits, adds footnotes. epub, fb2, pdf, txt, html in; epub, fb2, html, txt out.

Python★ 30↓ 6,524/moSep 15, 2026

MITSep 15, 2026 · metrics 2.10.0

npm

53Moderatehealth index

kcartlidge/nodepub

[ACTIVE] Node module to create valid EPUB 2 and EPUB 3 ebooks from chapters and metadata.

JavaScript · EJS★ 52↓ 2,295/moOct 16, 2026

MITOct 16, 2026 · metrics 2.10.0

38Weakhealth index

behringer24/azw3

Go AZW3 implementation

Go★ 1Sep 6, 2026

MITSep 6, 2026 · metrics 2.10.0

38Weakhealth index

voidberg/quarto-go

Turn HTML into EPUB3 and Kobo kepub files, entirely in memory, with no external binaries. Built to run natively on Kobo and Remarkable devices, and in any other Go program.

Go★ 0Sep 13, 2026

MITSep 13, 2026 · metrics 2.10.0

PyPI

34At Riskhealth index