#1
SumatraPDF reader
17K starsJun 10, 2026 pushdocument-processingCPDF
$ npx skills add sumatrapdfreader/sumatrapdfAlternatives
Xournalpp alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Xournalpp
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.
100
Quality
100
Trust
15K
Stars
#2
Open source PDF editor.
1.4K starsJun 5, 2026 pushdocument-processingC++PDF
$ npx skills add JakubMelka/PDF4QT#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
Sioyek is a PDF viewer with a focus on textbooks and research papers
9.6K starsJun 8, 2026 pushdocument-processingCPDF
$ npx skills add ahrm/sioyek#5
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#6
Selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices.
1.7K starsJun 5, 2026 pushdocument-processingPythonPDF
$ npx skills add mrmn2/PdfDing#7
qpdf: A content-preserving PDF document transformer
5.1K starsJun 8, 2026 pushdocument-processingC++PDF
$ npx skills add qpdf/qpdf#8
A simple tool for visually comparing two PDF files
4.2K starsMar 28, 2026 pushdocument-processingC++PDF
$ npx skills add vslavik/diff-pdf#9
Document scanning app
2.2K starsJun 8, 2026 pushdocument-processingC++PDF
$ npx skills add ossappscollective/OSS-DocumentScanner#10
A lightweight 2D graphics library for modern GPUs, delivering high-performance text, image, and vector rendering across major platforms.
1.5K starsJun 7, 2026 pushdocument-processingC++PDF
$ npx skills add Tencent/tgfx#11
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
81K starsJun 10, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add Stirling-Tools/Stirling-PDF#12
Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.
67K starsJun 6, 2026 pushdocument-processingPythonPDF
$ npx skills add opendatalab/MinerU#13
Get your documents ready for gen AI
61K starsJun 9, 2026 pushdocument-processingPythonPDF
$ npx skills add docling-project/docling#14
A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
44K starsJun 7, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add siyuan-note/siyuan#15
A community-supported supercharged document management system: scan, index and archive all your documents
42K starsJun 10, 2026 pushdocument-processingPythonPDF
$ npx skills add paperless-ngx/paperless-ngx#16
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
27K starsJun 7, 2026 pushdocument-processingLuaPDF
$ npx skills add koreader/koreaderHow 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 Xournalpp 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.