Apps to Built-in viewer

Otixo is a cloud aggregation service that allows users to connect and manage multiple cloud storage accounts from a single platform. It simplifies file management across different providers, offering features like file transfer, synchronization, and basic team collaboration.

ASUS WebStorage is a comprehensive cloud storage solution designed for seamless data backup, synchronization across multiple devices, and easy file sharing. It offers secure storage with various features to manage your digital assets effectively.

FreeCommander is a powerful and user-friendly freeware file manager designed as an alternative to standard Windows Explorer. It features a dual-pane interface for efficient side-by-side file operations, built-in tools like an FTP client, archive handling, file comparison, and a batch renamer. Highly customizable and portable, it enhances file management productivity.

PeaZip is a free and open-source file archiver and file manager utility. It offers robust archiving capabilities supporting a wide range of formats, strong encryption options, and a built-in file explorer, making it a comprehensive tool for file compression, archiving, and security.

Box is a leading cloud content management and file sharing platform designed for businesses of all sizes. It provides secure storage, robust collaboration tools, and seamless integration with popular business applications, empowering teams to work efficiently and securely from anywhere.

XnView is a versatile and free multimedia viewer, browser, and converter that supports over 500 image formats. It offers powerful batch processing capabilities for tasks like conversion, renaming, and resizing, making it an essential tool for managing large photo collections.

Calibre is a powerful and versatile open-source e-book management software that streamlines the organization, conversion, and reading of your digital book collection across various formats and devices.

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.

PDF24 PDF Creator is a free and versatile software that allows users to create PDF files from virtually any printable document, edit existing PDFs, and perform various PDF manipulation tasks.

Jolicloud 2 was an innovative, discontinued web-based operating system designed to aggregate and manage your digital life in the cloud. It provided a unified interface to access and organize web applications, cloud storage, and local files, aiming to be your central hub for online activity, replacing the traditional desktop paradigm with a focus on connectivity and accessibility.

Google Drive is a powerful cloud storage service that offers secure file storage, synchronization, and collaboration. It integrates seamlessly with Google's suite of applications, providing a comprehensive productivity and file management platform accessible from any device.

4sync is a comprehensive cloud storage and file synchronization service designed to provide users with a secure platform for storing, managing, syncing, and sharing their digital files across multiple devices. It offers robust features for both individual and professional use, including file backup, remote management, and built-in media capabilities.