#1
Sioyek is a PDF viewer with a focus on textbooks and research papers
9.6K starsJun 8, 2026 pushdocument-processingCPDF
$ npx skills add ahrm/sioyekAlternatives
Sumatrapdf alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Sumatrapdf
SumatraPDF reader
100
Quality
100
Trust
17K
Stars
#2
Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.
15K starsJun 2, 2026 pushdocument-processingC++PDF
$ npx skills add xournalpp/xournalpp#3
Display PDFs in your React app as easily as if they were images.
11K starsJun 2, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add wojtekmaj/react-pdf#4
A fast image processing library with low memory needs.
11K starsJun 9, 2026 pushdocument-processingCPDF
$ npx skills add libvips/libvips#5
📰 Binary distribution of PDFium
1.4K starsJun 4, 2026 pushdocument-processingShellPDF
$ npx skills add bblanchon/pdfium-binaries#6
Open source PDF editor.
1.4K starsJun 5, 2026 pushdocument-processingC++PDF
$ npx skills add JakubMelka/PDF4QT#7
📄 Create PDF files using React
17K starsJun 1, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add diegomura/react-pdf#8
📚 Biblioteca de livros essenciais da área da programação. (Confira o meu novo projeto `SendScriptWhatsapp`)
13K starsMay 3, 2026 pushdocument-processingPDFClaude Code
$ npx skills add KAYOKG/BibliotecaDev#9
PDF补丁丁——PDF工具箱，可以编辑书签、剪裁旋转页面、解除限制、提取或合并文档，探查文档结构，提取图片、转成图片等等
12K starsMay 14, 2026 pushdocument-processingC#PDF
$ npx skills add wmjordan/PDFPatcher#10
Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.
10K starsJan 28, 2026 pushdocument-processingPythonPDF
$ npx skills add jsvine/pdfplumber#11
Community maintained fork of pdfminer - we fathom PDF
7.0K starsMar 13, 2026 pushdocument-processingPythonPDF
$ npx skills add pdfminer/pdfminer.six#12
A DOMPDF Wrapper for Laravel
7.3K starsMar 31, 2026 pushdocument-processingPHPPDF
$ npx skills add barryvdh/laravel-dompdf#13
PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.
5.7K starsJun 6, 2026 pushdocument-processingPythonPDF
$ npx skills add oomol-lab/pdf-craft#14
Small python-gtk application, which helps the user to merge or split PDF documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.
5.6K starsJun 3, 2026 pushdocument-processingPythonPDF
$ npx skills add pdfarranger/pdfarranger#15
Rust 程序设计语言（2024 edition 施工完毕）
5.5K starsJun 8, 2026 pushdocument-processingMarkdownPDF
$ npx skills add KaiserY/trpl-zh-cn#16
qpdf: A content-preserving PDF document transformer
5.1K starsJun 8, 2026 pushdocument-processingC++PDF
$ npx skills add qpdf/qpdfHow 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 Sumatrapdf 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.