#1
#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-PDFAlternatives
Universalviewer alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Universalviewer
A community-developed open source project on a mission to help you share your 📚📜📰📽️📻🗿 with the 🌎
74
Quality
78
Trust
561
Stars
#2
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#3
The Privacy First PDF Toolkit
15K starsAug 12, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add alam00000/bentopdf#4
Sketch and take handwritten notes.
11K starsJun 1, 2026 pushdocument-processingRustPDF
$ npx skills add flxzt/rnote#5
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#6
📄 Create PDF files using React
17K starsJun 9, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add diegomura/react-pdf#7
Your One-Stop Publication Workbench
13K starsJun 14, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add Zettlr/Zettlr#8
Translate PDF, EPub, webpage, metadata, annotations, notes to the target language. Support 20+ translate services.
11K starsJun 10, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add windingwind/zotero-pdf-translate#9
Display PDFs in your React app as easily as if they were images.
11K starsJul 29, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add wojtekmaj/react-pdf#10
The Open Source DocuSign Alternative.
13K starsJun 14, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add documenso/documenso#11
Papermark is the open-source DocSend alternative with built-in analytics and custom domains.
8.8K starsJul 17, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add papermark/papermark#12
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#13
Get your documents ready for gen AI
63K starsJul 17, 2026 pushdocument-processingPythonPDF
$ npx skills add docling-project/docling#14
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#15
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#16
Python tool for converting files and office documents to Markdown.
156K starsMay 26, 2026 pushdocument-processingPythonPDF
$ npx skills add microsoft/markitdownHow 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 Universalviewer 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.