Apps similar to Sioyek include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, Evince and MuPDF. You're spoiled for choice with PDF Readers like Sioyek: we list more than 50 alternatives for Windows, Mac, the web, Linux and Android.
Open PDF Studio is a lightweight, native desktop application that provides professional-grade PDF annotation, markup, and editing tools without subscriptions, telemetry, or bloatware. Built with Tauri 2 and web technologies, it delivers a fast, modern experience with a Microsoft...
Netherlands
EU
Comprehensive solution for editing, signing, form filling, OCR scanning, commenting, converting, and redacting PDFs, with AI-driven analysis and content extraction, data export to spreadsheets, text-to-speech, seamless use across desktop and mobile, and batch processing.
Taiwan
PdfDing is a browser based PDF manager, viewer and editor that you can host yourself. It offers a seamless user experience on multiple devices. It's designed be to be minimal, fast, and easy to set up using Docker.
Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.
CzechiaEU
a web-based platform that allows you to perform various operations on PDF files, such as conversion, merging, splitting, and more. It works by allowing you to upload your files, select the desired operation, and then download the processed file.
Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.
United States
Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.
GermanyEU
DocInspector is a professional, offline-first document processing and privacy-auditing application designed for legal, financial, and corporate teams. It enables users to clean, repair, and bundle large volumes of documents locally without relying on cloud services.
Moldova
In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.
United States
Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.
United States
Trevnoctilla lets you edit, merge, split, compress, and annotate PDFs directly in your browser—no downloads or installations required. Fast, secure, and completely free.
Panels is a CBR/CBZ/PDF comic reader for your iPhone and iPad devices. Enjoy reading your comics in a clean and delightful interface.
SpainEU
South Africa
