The suite itself is free and open source, and is made up of a word processor, spreadsheet and presentation software, and is available in 110 languages. While LibreOffice uses the ODF (OpenDocument ...

We list the best free word processors, to make it simple and easy way to type and manage documents on your computer without using MS Word. It used to be the case that you had to subscribe to a ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

You don't need a pricey subscription to stream your favorite music. These tested and recommended services let you stream your favorite tunes without spending a dime. My career has taken me through ...

Many users don’t know that YouTube has an entire section dedicated to free movies. Skeptics, have no fear. YouTube has notable movies that can be viewed with ads. Oscar winners, blockbusters ...

Abstract: Free-space optical and THz communication systems have gained increasing interest in various applications. In such systems, simultaneous transmission of multiple orthogonal spatial modes, ...

Abstract: Free-space optical (FSO) communication has attracted considerable research interests in the past decade. Compared with vertical FSO links, near-sea long-distance FSO horizontal links are ...