Top Alternatives to Skim

Foxit Reader is a robust and feature-rich PDF reader and editor that provides users with a comprehensive set of tools for viewing, annotating, signing, and creating PDF documents. Known for its blend of performance and functionality, it caters to both casual users and professionals handling complex PDF workflows.

Sumatra PDF is a free and lightweight PDF reader for Windows, renowned for its speed and minimalist interface. Beyond PDF, it supports a variety of other formats including EPUB, MOBI, CBR, CBZ, XPS, and DjVu, making it a versatile e-reader.

Adobe Acrobat Reader DC is the venerable and widely adopted standard for interacting with PDF documents. It provides robust tools for viewing, printing, signing, and commenting on PDF files across various devices and platforms.

Evince is a lightweight and versatile document viewer designed for various formats including PDF, PostScript, DjVu, TIFF, XPS, and DVI. It provides a clean and intuitive interface for easily accessing and navigating your documents.

PDF-XChange Viewer is a versatile and lightweight PDF reader and editor. It offers a wide array of features for viewing, annotating, and manipulating PDF documents, including OCR capabilities and form filling, all within a user-friendly interface.

Okular is a versatile document viewer from the KDE community, supporting a wide array of file formats including PDF, EPUB, DjVu, and TIFF. It offers intuitive navigation, robust annotation tools, and features like text selection and saving, making it a powerful tool for handling diverse document types.

Nitro Reader is a free PDF reader packed with advanced features for creating, editing, and signing PDF documents. It offers a clean interface and robust functionality for everyday PDF tasks, including form filling, annotation, and text extraction.

Preview is the native image and PDF viewer for macOS. It offers essential tools for viewing, annotating, and basic editing of these file types directly within the Apple ecosystem. Designed for efficiency and low resource use, Preview provides a seamless and integrated experience for handling common document and image formats on Mac computers.

CutePDF Writer is a free Windows utility that allows users to convert virtually any printable document into a professional-quality PDF file. It operates as a virtual printer, making PDF creation as simple as printing a document from any application.

MuPDF is a lightweight, portable document rendering engine and viewer for PDF, XPS, and EPUB formats. Known for its speed and accurate rendering, it's ideal for integrating document display into various applications or for users seeking a minimalist, high-performance viewer.

PDF Studio is a powerful, all-in-one PDF editor for Windows, macOS, and Linux. It provides comprehensive tools for viewing, creating, editing, securing, and reviewing PDF documents, serving professionals and individuals alike with robust features for managing their digital documents efficiently.

Xournal is a classic open-source application designed for digital note-taking, sketching, and PDF annotation, primarily using a stylus. It provides a simple yet effective environment for handwritten notes and document markup, offering support for various input methods including Wacom tablets.

Nitro Pro is a comprehensive PDF solution designed to streamline document workflows for businesses of all sizes. It offers robust tools for creating, editing, converting, securing, and signing PDF documents, providing a cost-effective alternative to Adobe Acrobat.

PDF-XChange Editor is a powerful, free PDF editor and viewer for Windows. It offers a wide range of tools for creating, editing, annotating, and managing PDF documents, including OCR, form creation, and advanced security features. Despite its extensive capabilities, it remains lightweight and efficient.

qpdfview is a lightweight, tabbed document viewer based on Qt. It supports PDF, DjVu, PostScript, and other document formats, offering features like annotation, form filling, and a clean, customizable interface for efficient document management.

Master PDF Editor is a comprehensive PDF editing suite for Windows, macOS, and Linux. It empowers users to create, edit, view, annotate, and sign PDF documents with a robust set of tools.

Zathura is a highly customizable and efficient document viewer based on the Poppler rendering engine. It is designed with a minimal interface and focuses on keyboard-driven navigation, making it ideal for users who prefer a streamlined workflow and powerful keybindings.

Xodo is a comprehensive, cross-platform PDF solution offering a wide array of tools for viewing, annotating, editing, signing, and creating PDF documents. With robust collaboration features and seamless cloud integration, it caters to both individual and professional use.

Universal Viewer is a portable file viewer capable of displaying a wide array of file formats, including documents, images, media, and raw files, without requiring the associated native applications.

ezPDF Reader is a highly-rated multimedia PDF viewer and annotator for mobile devices. It supports interactive forms, freehand drawing, text highlighting, and offers features like Text-to-Speech and document synchronization, making it a versatile tool for users who work with PDFs on the go.

ePDFView is a free, lightweight PDF viewer designed for speed and simplicity, built upon the Poppler rendering engine and GTK+ toolkit. Ideal for users prioritizing performance and minimal resource consumption on Linux systems.

Document Viewer is a highly customizable and lightweight document viewer designed for Android devices. It supports a wide range of formats including PDF, DjVu, XPS, CBZ, CBR, and ePub, offering features like highlighting, annotation, and optimal performance.