Apps to Built-in viewer

Polar is a powerful desktop application designed to serve as an integrated reading environment. It allows users to actively read, annotate PDFs and web pages, create flashcards for spaced repetition learning, organize their digital library, and track their reading and learning progress. It's built for focused and deep engagement with digital content.

Icedrive is a secure UK-based cloud storage solution emphasizing data privacy and security through client-side encryption. It offers a seamless interface for storing, syncing, and sharing files, with a unique drive-mounting feature for easy access.

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.

xplorer² is a highly customizable dual-pane file manager for Windows. It offers advanced features like tabbed browsing, batch operations, and extensive search capabilities, providing a powerful alternative to the standard Windows Explorer for efficient file management and organization.

XYplorer is a portable file manager for Windows that offers a powerful blend of speed, features, and customization. It's designed for users who demand more control and efficiency than the standard Windows Explorer provides, featuring a dual-pane interface, tabbed browsing, and an extensive array of tools for file management.

Dropbox is a leading cloud storage and file synchronization service that enables users to store, share, and access files from virtually anywhere with an internet connection. It offers a user-friendly interface, seamless cross-platform synchronization, and a suite of features designed to enhance collaboration and productivity.

PDF-Tools by Tracker Software is a powerful, wizard-driven Windows application designed for batch processing and manipulating PDF files. It offers a comprehensive suite of tools for creating, editing, merging, splitting, converting, securing, and optimizing PDF documents, perfect for both individual and business users needing efficent document workflows.

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.

OmniPage is a leading optical character recognition (OCR) software designed for accurate and flexible conversion of scanned documents and images into editable digital formats.

Nuance PaperPort is a comprehensive document management software designed to simplify scanning, organizing, searching, and sharing documents. It transforms paper and digital files into easily searchable and manageable digital assets.

Ozibox is a cloud storage and file synchronization service offering a free plan for online backup. It provides fundamental features for storing and syncing files across multiple devices, with a focus on accessibility and community-driven approaches.

Agora is a comprehensive cloud management platform designed to streamline file management, sharing, and collaboration across multiple cloud storage services. It offers a centralized hub for accessing, organizing, and synchronizing files from various sources, empowering users and teams to enhance productivity and secure their data.

SharedSafe is a comprehensive platform for secure file sharing, storage, and synchronization across various platforms, including FTP, email, Dropbox, and its own cloud.

Vifm is a ncurses-based file manager with Vim-like keybindings, designed for efficiency in terminal environments. It offers a dual-pane interface, tab support, and extensive customization options, making it a powerful tool for users comfortable with command-line workflows and seeking a highly keyboard-driven file management experience.

FilesAnywhere provides secure cloud storage, file sharing, and collaboration tools for individuals and businesses. It offers robust features like version history, real-time collaboration, document editing, and integrated search, ensuring data accessibility and security across various devices.

Air Sharing is a versatile application that transformed iOS devices into portable wireless hard drives. It allowed users to store, view, and manage files directly on their iPhone or iPad, accessible from any computer on the same Wi-Fi network. It offered effortless file transfer and access.

FreePDF is a versatile and free PDF software for Windows, operating primarily as a virtual PDF printer but also offering comprehensive editing, merging, splitting, and conversion capabilities.

GoAruna is a comprehensive file management and cloud storage solution for Android devices. It combines a powerful local file manager with integrated online file hosting, sharing, and synchronization capabilities. GoAruna aims to provide unlimited storage and seamless file access across various platforms.

ICE Book Reader Professional is a highly customizable e-book reader and teleprompter with a focus on performance and comfort. It supports a wide range of formats and offers advanced features for managing and reading your digital library.

SkySignature is a comprehensive online digital and electronic signature platform that simplifies document signing, form filling, and PDF management. It offers a range of tools for individuals and businesses to manage their digital documents efficiently and securely.

fman is a powerful, dual-pane file manager designed for speed and efficiency across Windows, macOS, and Linux. It offers a clean interface, robust search capabilities, extensive keyboard shortcut support, and a flexible plugin system for enhanced functionality.

CloudScan is a user-friendly scanning software designed for efficiently digitizing documents, photos, and images into multipage PDF files. It offers core functionalities like scanning, PDF management (split, merge, edit), and built-in OCR capabilities, making it a comprehensive solution for basic document handling on a single computer.

Teleport Pro is a powerful and versatile offline browsing web spider. It specializes in downloading entire websites or specific sections for offline viewing, acting as a robust website downloader and web crawler. Ideal for researchers, developers, and anyone needing reliable access to web content without an internet connection.

PDFescape is a versatile online PDF editor and form filler.

gImageReader is a user-friendly graphical interface for the powerful Tesseract OCR engine. It simplifies the process of converting images and PDF documents into editable text, offering essential tools for document scanning, editing, and export.

Xfe is a lightweight and fast graphical file manager for the X Window System, providing essential file management operations with a focus on efficiency and customization.

ZeroPC Cloud Navigator is a powerful cross-platform cloud aggregator and file management tool for tablets. It simplifies managing data across various cloud storage services and local drives, offering features like sync, backup, integration, photo organization, and collaboration.

GNOME Commander is a robust, open-source two-pane file manager designed for the GNOME desktop environment. It offers a familiar dual-panel interface inspired by iconic file managers, providing efficient navigation and file management tasks with extensive features for both casual users and power users.

Foxit PDF Creator is a comprehensive PDF creation and manipulation tool. It allows users to create high-quality PDF files from virtually any file format, print to PDF, edit existing PDFs, and perform advanced functions like OCR and batch conversion. It's designed for users needing a robust solution for their PDF workflow.

Foxit Advanced PDF Editor was a robust desktop application designed for comprehensive PDF manipulation. It allowed users to perform extensive editing directly within PDF documents, including text, images, and objects, offering a level of control similar to a word processor.