File archiver is one of the must-have applications for our computer. It can compress files to save disk space and improve the file transfer efficiency. Meanwhile, it can also be used to extract files from compressed packages downloaded from the Internet. There are already many such programs, including the classic WinZip, WinRAR and 7-Zip. But if you want to try something else, Express Zip File Compression is also a good choice.

FX Draw (AKA: FX Draw Tools, now called FX Math Tools) is a mathematical graph drawing tool specially made for educators on Windows and Mac platforms. Its main body consists of four parts: FX Draw, FX Equation, FX Graph, and FX Stat, providing users with rich mathematical drawing functions. Almost any graph a math teacher needs can be drawn easily and quickly using its highly specialized toolset.

250+ Solitaire Collection is a card game collection application for both PC and mobile platforms, developed by Alexei Anoshenko from Belarus. It currently contains a total of 253 card games, such as Freecell, Klondike, Algerian Patience, Canfield, Golf, Spider, Scorpion, Pyramid, Tri-Peaks, and other classic solitaire games, as well as lots of original card games.

VRoid Studio is an excellent and free 3D character modeling/drawing program, developed by pixiv from Japan. The goal is to make it easy for almost anyone to create their own virtual character model. Compared with traditional 3D software, it is easier and more efficient to make 3D characters with it. It has built-in very efficient character model making tools, and the produced character models are exquisite and delicate, which can be used for 3D CG animation, games, VR, AR and virtual YouTuber (VTuber).

Wing Helper is currently the most advanced 3D CAD program for designing RC plan models on Windows, Mac and Linux platforms. It is specially made for ambitioned RC modelers, who are beyond building models according to ready made plans, and who want to start designing, building and flying their own creations.