Alternatives

Kotlin Toolkit alternatives for AI agents.

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

Current skill

Kotlin Toolkit

A toolkit for ebooks, audiobooks and comics written in Kotlin

83
Quality
80
Trust
351
Stars
#1

Koreader

Similarity 143Trust 93Excellent 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 24, 2026 pushdocument-processingLuaPDF
$ npx skills add koreader/koreader
#2

Readest

Similarity 143Trust 93Excellent 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.

22K starsJun 22, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add readest/readest
#3

ImageToolbox

Similarity 132Trust 93Excellent 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 18, 2026 pushdocument-processingKotlinPDF
$ npx skills add T8RIN/ImageToolbox
#4

Koodo Reader

Similarity 127Trust 93Excellent 100

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

27K starsJul 3, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add koodo-reader/koodo-reader
#5

Kavita

Similarity 126Trust 93Excellent 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 19, 2026 pushdocument-processingC#PDF
$ npx skills add Kareadita/Kavita
#6

PyMuPDF

Similarity 126Trust 93Excellent 100

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

10K starsJun 29, 2026 pushdocument-processingPythonPDF
$ npx skills add pymupdf/PyMuPDF
#7

Quarkdown

Similarity 124Trust 93Excellent 100

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

16K starsJun 17, 2026 pushdocument-processingKotlinPDF
$ npx skills add iamgio/quarkdown
#8

Paperless Ngx

Similarity 120Trust 93Excellent 100

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

42K starsJun 20, 2026 pushdocument-processingPythonPDF
$ npx skills add paperless-ngx/paperless-ngx
#9

OCRmyPDF

Similarity 120Trust 93Excellent 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
#10

Markitdown

Similarity 119Trust 90Excellent 100

Python tool for converting files and office documents to Markdown.

156K starsMay 26, 2026 pushdocument-processingPythonPDF
$ npx skills add microsoft/markitdown
#11

MinerU

Similarity 119Trust 90Excellent 100

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

68K starsJun 17, 2026 pushdocument-processingPythonPDF
$ npx skills add opendatalab/MinerU
#12

Docling

Similarity 119Trust 89Excellent 100

Get your documents ready for gen AI

63K starsJul 2, 2026 pushdocument-processingPythonPDF
$ npx skills add docling-project/docling
#13

Stirling PDF

Similarity 119Trust 87Excellent 100

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

81K starsJun 18, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add Stirling-Tools/Stirling-PDF
#14

Docuseal

Similarity 118Trust 92Excellent 100

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

17K starsJun 15, 2026 pushdocument-processingRubyPDF
$ npx skills add docusealco/docuseal
#15

React Pdf

Similarity 118Trust 92Excellent 100

📄 Create PDF files using React

17K starsJun 9, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add diegomura/react-pdf
#16

Unstructured

Similarity 118Trust 93Excellent 100

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

15K starsJun 18, 2026 pushdocument-processingHTMLPDF
$ npx skills add Unstructured-IO/unstructured

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 Kotlin Toolkit 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.