Alternatives

Episteme alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Episteme

A native Android document reader application built with Kotlin and Jetpack Compose.

86
Quality
87
Trust
798
Stars
#1

Readest

Similarity 144Trust 98Excellent 100

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.

21K starsJun 15, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add readest/readest
#2

Koreader

Similarity 136Trust 98Excellent 100

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

27K starsJun 16, 2026 pushdocument-processingLuaPDF
$ npx skills add koreader/koreader
#3

BookReader

Similarity 135Trust 84Strong 79

:closed_book: "任阅" 网络小说阅读器,3D翻页效果、txt/pdf/epub书籍阅读、Wifi传书~

6.9K starsApr 24, 2023 pushdocument-processingJavaPDF
$ npx skills add smuyyh/BookReader
#4

Book Story

Similarity 134Trust 91Excellent 92

Book's Story — Material You eBook reader built with Jetpack Compose. Free & Open source & Ad-free, with extensive customization options and support for multiple file formats.

1.3K starsFeb 20, 2026 pushdocument-processingKotlinPDF
$ npx skills add Acclorite/book-story
#5

Free Programming Books Zh CN

Similarity 133Trust 88Excellent 90

:books: 免费的计算机编程类中文书籍,欢迎投稿

117K starsJul 15, 2024 pushdocument-processingPDFClaude Code
$ npx skills add justjavac/free-programming-books-zh_CN
#6

ImageToolbox

Similarity 133Trust 97Excellent 100

🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to filters, OCR, and a wide range of image processing options

13K starsJun 15, 2026 pushdocument-processingKotlinPDF
$ npx skills add T8RIN/ImageToolbox
#7

PdfViewer

Similarity 132Trust 88Excellent 87

Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. CSP is used to enforce that the JavaScript and styling properties within the WebView are entirely static.

962 starsJun 12, 2026 pushdocument-processingKotlinPDF
$ npx skills add GrapheneOS/PdfViewer
#8

Openlib

Similarity 130Trust 91Excellent 95

An Open source app to download and read books from shadow library (Anna’s Archive)

2.4K starsJan 18, 2026 pushdocument-processingDartPDF
$ npx skills add dstark5/Openlib
#9

Pdf Viewer

Similarity 127Trust 91Excellent 96

A Lightweight PDF Viewer Android library which only occupies around 80kb while most of the Pdf viewer occupies up to 16MB space.

1.2K starsMar 17, 2026 pushdocument-processingKotlinPDF
$ npx skills add afreakyelf/Pdf-Viewer
#10

PyMuPDF

Similarity 126Trust 97Excellent 100

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

10K starsJun 12, 2026 pushdocument-processingPythonPDF
$ npx skills add pymupdf/PyMuPDF
#11

Quarkdown

Similarity 125Trust 97Excellent 100

🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

16K starsJun 16, 2026 pushdocument-processingKotlinPDF
$ npx skills add iamgio/quarkdown
#12

Kcc

Similarity 125Trust 96Excellent 100

KCC (a.k.a. Kindle Comic Converter) is a comic and manga converter for ebook readers.

5.2K starsJun 1, 2026 pushdocument-processingPythonPDF
$ npx skills add ciromattia/kcc
#13

Lue

Similarity 125Trust 84Excellent 86

Terminal eBook Reader with Audiobook-Quality Text-to-Speech — Supports EPUB, PDF, DOCX, HTML, RTF, TXT, and MD.

775 starsJun 1, 2026 pushdocument-processingPythonPDF
$ npx skills add superstarryeyes/lue
#14

OpenPDF

Similarity 124Trust 91Excellent 100

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

4.3K starsJun 3, 2026 pushdocument-processingJavaPDF
$ npx skills add LibrePDF/OpenPDF
#15

KillerPDF

Similarity 123Trust 96Excellent 100

PDF editor for Windows. Install or run portable. GPLv3. No account, no subscription, no telemetry.

2.2K starsJun 8, 2026 pushdocument-processingC#PDF
$ npx skills add SteveTheKiller/KillerPDF
#16

Laravel Book

Similarity 123Trust 82Strong 80

Up to date Epub, Mobi and PDF versions from the official Laravel Docs

577 starsJun 12, 2026 pushdocument-processingPDFClaude Code
$ npx skills add driade/laravel-book

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Episteme if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.