#1
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
81K starsJun 16, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add Stirling-Tools/Stirling-PDFAlternatives
Signaturepdf alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Signaturepdf
Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf
86
Quality
88
Trust
796
Stars
#2
The Privacy First PDF Toolkit
14K starsJun 12, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add alam00000/bentopdf#3
Golang PDF library for creating and processing PDF files (pure go)
3.1K starsMay 27, 2026 pushdocument-processingGoPDF
$ npx skills add unidoc/unipdf#4
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
27K starsJun 16, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add koodo-reader/koodo-reader#5
A pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files
10K starsJun 11, 2026 pushdocument-processingPythonPDF
$ npx skills add py-pdf/pypdf#6
A PDF viewer that seamlessly integrates with any JavaScript project
4.2K starsJun 15, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add embedpdf/embed-pdf-viewer#7
PDF editor for Windows. Install or run portable. GPLv3. No account, no subscription, no telemetry.
2.2K starsJun 8, 2026 pushdocument-processingC#PDF
$ npx skills add SteveTheKiller/KillerPDF#8
A Python library for reading and writing PDF, powered by QPDF
2.7K starsJun 9, 2026 pushdocument-processingPythonPDF
$ npx skills add pikepdf/pikepdf#9
Selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices.
1.7K starsJun 12, 2026 pushdocument-processingPythonPDF
$ npx skills add mrmn2/PdfDing#10
Transforms PDF, Documents and Images into Enriched Structured Data
6.2K starsMar 20, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add axa-group/Parsr#11
Privacy-first PDF utility (Zero-Server Architecture). Merge, split, compress, and edit PDFs 100% locally on your device. No uploads, no servers, no tracking.
1.3K starsJun 12, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add potatameister/PaperKnife#12
Open source PDF editor.
1.4K starsJun 5, 2026 pushdocument-processingC++PDF
$ npx skills add JakubMelka/PDF4QT#13
Fast Rust library for PDF inspection, classification, and text extraction. Intelligently detects scanned vs text-based PDFs to enable smart routing decisions.
1.5K starsJun 5, 2026 pushdocument-processingRustPDF
$ npx skills add firecrawl/pdf-inspector#14
Versatile PDF creation and manipulation for Ruby
1.4K starsJun 9, 2026 pushdocument-processingRubyPDF
$ npx skills add gettalong/hexapdf#15
PDF references add-on for Zotero.
2.8K starsMar 27, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add MuiseDestiny/zotero-reference#16
PDF exporter for HTML presentations
2.4K starsMay 29, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add astefanutti/decktapeHow 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 Signaturepdf 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.