Total Commander is a Windows based file management program with the good plugin system.

xCHM is an free and open-source GUI front-end for CHMLIB (a viewer for Microsoft Compressed HTML Help files). It compiles and runs on Linux, BSD, Mac OS X and…

Free Opener opens a large variety of files without any hassle.

Universal Viewer is an advanced file viewer for wide range of formats.

WinDjView is a fast, compact and powerful DjVu viewing application for the Windows.

AlReader is a mobile reader app.

Jumptuit connects your on-the-go life and work style with your cloud services and smart devices.

FilesAnywhere is a provider of remote file storage and file sharing for consumers and corporations.