Since free software may be freely redistributed, it is generally available at little or no fee. Free software business models are usually based on adding value such as customization, accompanying hardware, support, training, integration, or certification. Exceptions exist however, where the user is charged to obtain a copy of the free application itself.
PCMag's top pick for software to take control of other computers is TeamViewer. Almost everything you need is free: desktop sharing, file transfers, even chat with remote users. And the setup couldn't be easier. Take control of a PC over a Web connection and a Chrome browser (even in ChromeOS) with the TeamViewer extension. There is also a Windows app in the Microsoft Store and optional downloads to make installing TeamViewer on multiple PCs even easier—though it's only free for personal use.
Thus, free software means that computer users have the freedom to cooperate with whom they choose, and to control the software they use. To summarize this into a remark distinguishing libre (freedom) software from gratis (zero price) software, the Free Software Foundation says: "Free software is a matter of liberty, not price. To understand the concept, you should think of 'free' as in 'free speech', not as in 'free beer'". See Gratis versus libre.
Freeflys: Another strong contender in the freebies space, Freeflys has appeared on NBC’s Today Show, The Doctors, Fox News and a handful of other media outlets. Similar to most of these sites, Freeflys utilizes email alerts to tell users about free-sample offers as they happen. The site also allows you to search for a specific product with the handy search bar.