Linux Softwares 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.

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.

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.

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.

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.

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.

PdfMod is a user-friendly application designed for straightforward PDF document manipulation. It allows users to effortlessly rearrange, rotate, and remove pages within PDF files, as well as extract images. Focusing on simplicity, it provides a basic set of tools for essential PDF editing needs.

EPUBReader is a lightweight and efficient browser extension that allows users to open and read EPUB e-books directly within their web browser. It provides a simple and intuitive reading experience without requiring external software.

AeroFS is a robust enterprise-grade file synchronization and collaboration platform designed for organizations prioritizing data control and security.

Sunflower is a flexible and powerful twin-panel file manager designed specifically for the Linux desktop. It offers a highly customizable interface, extensive plugin support, and a rich set of features for efficient file management, including dual-pane and multi-tab views, support for various protocols, and built-in tools.

trolCommander is a powerful and lightweight cross-platform file manager. It is a fork of the popular muCommander, offering a dual-pane interface, rich feature set including built-in viewers, terminal, FTP/SFTP support, and extensive customization options. Designed for efficiency and speed, it's an excellent alternative for users seeking advanced file management capabilities across various operating systems.

ADrive offers a comprehensive suite of cloud storage, file management, and backup solutions designed for individuals, businesses, and enterprises, providing secure and accessible data handling.

Cool Reader is a highly configurable and lightweight eBook viewer designed for comfortable reading on various devices. It supports multiple formats including EPUB and DOCBOOK, offers extensive customization options for interface and reading experience, and includes useful features like library management, annotations, and sync capabilities.

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.

Cozy is a personal cloud platform designed to give users control over their digital lives. Store, sync, and share your photos, files, contacts, and calendar in a private and secure environment. It offers a suite of integrated applications to manage your data.

Storage Made Easy is a versatile hybrid Cloud File Server and Enterprise File Share and Sync (EFSS) solution. It allows organizations to unify access to various cloud storage services and on-premises storage, providing a single pane of glass for managing files across disparate locations while prioritizing security, control, and collaboration.

Krusader is a powerful, dual-pane file manager for Unix-like operating systems, offering extensive file management capabilities, including archive handling, FTP support, batch operations, and advanced customization options. It's designed for users who need an efficient and feature-rich alternative to standard file browsers.

Koofr is a secure, EU-based cloud storage service offering a generous free tier and the unique ability to connect multiple existing cloud accounts from providers like Google Drive, Dropbox, and OneDrive. It serves as a centralized hub for all your digital files, enhancing accessibility and management across platforms.

muCommander is a versatile, open-source file manager designed for productivity across various operating systems. It offers a dual-pane interface for efficient file operations, built-in support for network protocols like FTP and SSH, and extensive customization options, making it a powerful tool for both casual users and power users who need advanced file management capabilities.

DBeaver is a powerful, open-source database tool for developers, database administrators, and analysts. It provides a universal and intuitive interface for managing databases, writing SQL queries, generating ER diagrams, and exporting/importing data for various database systems.

Seafile is a powerful and secure file-hosting and collaboration platform designed for teams and businesses. It offers robust file synchronization, sharing, and versioning capabilities, with a strong focus on privacy and control through both cloud and self-hosted options.

QuiteRSS is a free, open-source, cross-platform RSS/Atom news feed reader featuring an integrated web browser, filtering options, notifications, and support for multiple languages. It's designed for efficient news consumption and organization.

Yandex.Disk is a powerful cloud storage service offering seamless file synchronization, backup, and sharing. It provides ample storage space, robust security features including encryption, and includes useful integrations like an online office suite. With support for various platforms and WebDAV, it's a versatile solution for managing your digital assets.

4shared is a versatile cloud storage and file-sharing platform offering users secure online storage, file synchronization across devices, and the ability to share various file types. It provides a centralized space for managing digital assets and includes features like built-in viewers.

Tonido transforms your computer into a personal cloud server, providing secure remote access to your files, media, and more from any device. Enjoy unlimited storage and bandwidth by leveraging your existing hardware, eliminating the need for third-party cloud services and their limitations.

FBReader is a versatile and free ebook reader application supporting multiple formats including ePub, Kindle azw3, and fb2. It offers a customizable reading experience across different platforms with features like library management, synchronization, and text-to-speech.

Copy.com was a cloud storage and file-sharing service notable for its generous storage offerings, particularly through its referral program. It provided features for file synchronization, backup, and access across multiple devices, aiming to be a competitor in the online backup and storage market. Despite its user-friendly interface and compelling storage incentives, the service was eventually discontinued.

MediaFire offers robust cloud storage, file synchronization, and file sharing capabilities, providing users with ample space and features for managing digital content online.

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.

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.