Alternatives

Mustangproject alternatives for AI agents.

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

Current skill

Mustangproject

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

81
Quality
80
Trust
428
Stars
#1

Invoiceninja

Similarity 124Trust 86Excellent 97

A source-available invoice, quote, project and time-tracking app built with Laravel

9.8K starsJun 15, 2026 pushdocument-processingPHPInvoice
$ npx skills add invoiceninja/invoiceninja
#2

Aureuserp

Similarity 117Trust 88Excellent 100

Free and Open Source ERP platform

11K starsJun 15, 2026 pushdocument-processingPHPInvoice
$ npx skills add aureuserp/aureuserp
#3

Stirling PDF

Similarity 112Trust 83Excellent 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
#4

KkFileView

Similarity 111Trust 84Excellent 100

Universal File Online Preview Project based on Spring-Boot

14K starsJun 11, 2026 pushdocument-processingJavaPDF
$ npx skills add kekingcn/kkFileView
#5

QuestPDF

Similarity 111Trust 84Excellent 100

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

14K starsJun 10, 2026 pushdocument-processingC#PDF
$ npx skills add QuestPDF/QuestPDF
#6

Koodo Reader

Similarity 105Trust 91Excellent 100

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

27K starsJul 9, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add koodo-reader/koodo-reader
#7

PaddleOCR

Similarity 105Trust 89Excellent 100

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

83K starsJun 16, 2026 pushdocument-processingPythonOCR
$ npx skills add PaddlePaddle/PaddleOCR
#8

Docling

Similarity 105Trust 89Excellent 100

Get your documents ready for gen AI

63K starsJul 17, 2026 pushdocument-processingPythonPDF
$ npx skills add docling-project/docling
#9

Paperless Ngx

Similarity 105Trust 89Excellent 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
#10

ShareX

Similarity 105Trust 89Excellent 100

ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.

38K starsJun 19, 2026 pushdocument-processingC#OCR
$ npx skills add ShareX/ShareX
#11

OCRmyPDF

Similarity 105Trust 89Excellent 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

Tesseract.Js

Similarity 105Trust 88Excellent 100

Pure Javascript OCR for more than 100 Languages ๐Ÿ“–๐ŸŽ‰๐Ÿ–ฅ

38K starsMay 17, 2026 pushdocument-processingJavaScriptOCR
$ npx skills add naptha/tesseract.js
#13

Koreader

Similarity 105Trust 89Excellent 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
#14

Markitdown

Similarity 105Trust 87Excellent 100

Python tool for converting files and office documents to Markdown.

156K starsMay 26, 2026 pushdocument-processingPythonPDF
$ npx skills add microsoft/markitdown
#15

Tesseract

Similarity 105Trust 87Excellent 100

Tesseract Open Source OCR Engine (main repository)

75K starsJun 13, 2026 pushdocument-processingC++OCR
$ npx skills add tesseract-ocr/tesseract
#16

MinerU

Similarity 104Trust 86Excellent 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

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 Mustangproject 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.

Mustangproject Alternatives for AI Agents | OpenAgentSkill