Playing all kinds of old but classic emulator games on our computer has been no longer a difficult task for long, since there are so many dedicated emulators available. However, the downside is that to play games for different consoles you have to run specific emulators separately. This makes us feel cumbersome and inefficient. This is where the emulator frontends like GameEx come in, which is built to serve as a universal interface for most game emulators in existence.

The browser's built-in download tools are not only inadequate, but even worse, they all have very low download speed. As a result, IDM, Folx and other excellent download accelerators have become users' first choice. However, they are paid software, do not support BitTorrent, and only run on Windows or Mac. If you need a free alternative that looks like IDM or Folx, supports BitTorrent download, and runs on a variety of platforms, you should definitely try Free Download Manager.

RapidMiner (originally called YALE = Yet Another Learning Environment) is a data science software platform for Windows, Mac and Linux platforms, developed by the company of the same name from Germany in 2001, written in Java. It comes with rich data mining analysis and algorithm functions, and is often used to solve a variety of business critical problems.

Xtreme Download Manager (XDM, XDMAN for short) is a free and open-source universal file downloader for Windows, Mac and Linux platforms, developed by Subhra Das Gupta from Czech Republic. It can increase the file downloading speed up to 500%, save streaming videos from almost any video website, resume broken/dead downloads, schedule and convert downloads.

Nmap (short for Network Mapper) is a free and open-source network security scanner for large networks. It was originally developed by Gordon Lyon (Fyodor Vaskovich) for Linux in 1997, later gradually became one of the most popular network discovery and security auditing tools on multiple operating systems with the participation of many volunteers in the open source community.