#1
PDF++: the most Obsidian-native PDF annotation & viewing tool ever. Comes with optional Vim keybindings.
2.3K starsAug 30, 2025 pushdocument-processingTypeScriptPDF
$ npx skills add RyotaUshio/obsidian-pdf-plusAlternatives
Obsidian Annotator alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Obsidian Annotator
A plugin for reading and annotating PDFs and EPUBs in obsidian.
73
Quality
82
Trust
1.8K
Stars
#2
A search engine that "just works" for Obsidian. Supports OCR and PDF indexing.
2.0K starsJun 2, 2026 pushdocument-processingTypeScriptOCR
$ npx skills add scambier/obsidian-omnisearch#3
Comic and Manga reader, written with Node.js and using Electron
1.9K starsJun 8, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add ollm/OpenComic#4
支持word(.docx)、excel(.xlsx,.xls)、pdf、pptx等各类型office文件预览的vue组件集合，提供一站式office文件预览方案，支持vue2和3，也支持React等非Vue框架。Web-based pdf, excel, word, pptx preview library
5.6K starsOct 9, 2025 pushdocument-processingJavaScriptPDF
$ npx skills add 501351981/vue-office#5
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
27K starsJun 16, 2026 pushdocument-processingLuaPDF
$ npx skills add koreader/koreader#6
Book's Story — Material You eBook reader built with Jetpack Compose. Free & Open source & Ad-free, with extensive customization options and support for multiple file formats.
1.3K starsFeb 20, 2026 pushdocument-processingKotlinPDF
$ npx skills add Acclorite/book-story#7
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.
21K starsJun 15, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add readest/readest#8
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 15, 2026 pushdocument-processingC++PDF
$ npx skills add xournalpp/xournalpp#9
A command-line tool to turn web pages into readable PDF, EPUB, HTML, or Markdown docs.
4.6K starsAug 29, 2025 pushdocument-processingJavaScriptPDF
$ npx skills add danburzo/percollate#10
SumatraPDF reader
17K starsJun 15, 2026 pushdocument-processingCPDF
$ npx skills add sumatrapdfreader/sumatrapdf#11
PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.
10K starsJun 12, 2026 pushdocument-processingPythonPDF
$ npx skills add pymupdf/PyMuPDF#12
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#13
Display PDFs in your React app as easily as if they were images.
11K starsJun 11, 2026 pushdocument-processingTypeScriptPDF
$ npx skills add wojtekmaj/react-pdf#14
Sioyek is a PDF viewer with a focus on textbooks and research papers
9.6K starsJun 13, 2026 pushdocument-processingCPDF
$ npx skills add ahrm/sioyek#15
KCC (a.k.a. Kindle Comic Converter) is a comic and manga converter for ebook readers.
5.2K starsJun 1, 2026 pushdocument-processingPythonPDF
$ npx skills add ciromattia/kcc#16
The Privacy First PDF Toolkit
14K starsJun 12, 2026 pushdocument-processingJavaScriptPDF
$ npx skills add alam00000/bentopdfHow 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 Obsidian Annotator 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.