Artlantis is a professional and heavyweight 3D rendering engine specially designed for indoor/outdoor architects and designers, developed by Abvent from France. Its extraordinary rendering speed and quality, unbelievably friendly and simple user interface are refreshing, and the resulting rendering of all drawings and animated images is impressive.

PortExpert is a free system process port monitoring and management tool, developed by KC Softwares from France. Its purpose is simply to monitor any programs connected to the Internet in real time, letting you know which ports and what IP addresses they are connected to. It is essentially equivalent to dynamically executing the "netstat /ano" command in the CMD.

In the process of publishing various types of files on the Internet, whether the document has been tampered with is the main concern of both the publisher and the receiver. That's why message digest algorithms like MD5, CRC32 and SHA-1 are used to calculate and check the unique hash value for files, so as to ensure that the files in circulation remain untouched. This is where utilities like HashMyFiles come in.

For people who use multiple computers (the most common combination is laptop + desktop PC) at the same time, you have to change to use a different mouse and keyboard every time you switch from one computer to another, which makes work very inefficient and people feel tired! In this case, in addition to paid software like Synergy can solve the problem, there is also free (for non-commercial use only) application like Input Director can help you.

Tray Radio a small and exquisite online radio stations player + music player for Windows, developed by Nend Software from United Kingdom. Tray Radio was designed a little differently as a music radio application for all kinds of music enthusiasts - it doesn't have a main interface, but instead hosts the entire application on the system tray, and only allows to invoke various functions and setting options via right click menu.