WordWeb is an international English dictionary and thesaurus program for Microsoft Windows, partly based on the WordNet database. Hundreds of thousands of definitions and synonyms. The latest international English words. Works offline, or reference to Wikipedia and web references.
calibre is a powerful and easy to use e-book manager. Free and open source and great for both casual users and computer experts. Save time on managing your e-book collection Use it everywhere and with anything, Comprehensive e-book viewer. pdf, txt, cbz, chm, docx, epub, html, rtf... It can also talk to many e-book reader devices.
Wikipedia is an online free content encyclopedia project helping create a world in which everyone can freely share in the sum of all knowledge. It is supported by the Wikimedia Foundation and based on a model of freely editable content.
Online File Sharing, Installs on any type of web server, Access your files from anywhere desktop, tablet or browser. Point FileRun to where you keep the files on your server and you will get instant web access to them. Sync files from your desktop using the Nextcloud desktop sync apps.