Alternatives

Grimmory alternatives for AI agents.

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

Current skill

Grimmory

Grimmory is an independent community fork of Booklore.

100
Quality
93
Trust
3.4K
Stars
#1

Kavita

Similarity 142Trust 98Excellent 100

Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.

11K starsJun 15, 2026 pushdocument-processingC#PDF
$ npx skills add Kareadita/Kavita
#2

Kcc

Similarity 141Trust 97Excellent 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
#3

Koodo Reader

Similarity 136Trust 98Excellent 100

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

27K starsJun 16, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add koodo-reader/koodo-reader
#4

Paperless Ngx

Similarity 128Trust 98Excellent 100

A community-supported supercharged document management system: scan, index and archive all your documents

42K starsJun 16, 2026 pushdocument-processingPythonPDF
$ npx skills add paperless-ngx/paperless-ngx
#5

Koreader

Similarity 128Trust 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
#6

KkFileView

Similarity 124Trust 91Excellent 100

Universal File Online Preview Project based on Spring-Boot

14K starsJun 11, 2026 pushdocument-processingJavaPDF
$ npx skills add kekingcn/kkFileView
#7

Mit Deep Learning Book Pdf

Similarity 123Trust 89Excellent 100

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville

14K starsFeb 3, 2026 pushdocument-processingJavaPDF
$ npx skills add janishar/mit-deep-learning-book-pdf
#8

Pdfsam

Similarity 123Trust 96Excellent 100

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

4.4K starsJun 8, 2026 pushdocument-processingJavaPDF
$ npx skills add torakiki/pdfsam
#9

OpenPDF

Similarity 122Trust 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
#10

Itext Java

Similarity 121Trust 91Excellent 100

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

2.2K starsJun 11, 2026 pushdocument-processingJavaPDF
$ npx skills add itext/itext-java
#11

OCRmyPDF

Similarity 120Trust 98Excellent 100

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

34K starsJun 12, 2026 pushdocument-processingPythonPDF
$ npx skills add ocrmypdf/OCRmyPDF
#12

Markitdown

Similarity 120Trust 95Excellent 100

Python tool for converting files and office documents to Markdown.

154K starsMay 26, 2026 pushdocument-processingPythonPDF
$ npx skills add microsoft/markitdown
#13

MinerU

Similarity 120Trust 94Excellent 100

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

68K starsJun 15, 2026 pushdocument-processingPythonPDF
$ npx skills add opendatalab/MinerU
#14

Readest

Similarity 120Trust 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
#15

Docling

Similarity 119Trust 92Excellent 100

Get your documents ready for gen AI

62K starsJun 15, 2026 pushdocument-processingPythonPDF
$ npx skills add docling-project/docling
#16

Quarkdown

Similarity 119Trust 98Excellent 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

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 Grimmory 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.