Fan Control is a free, open-source and highly focused and customizable universal computer fans controlling application for Windows, developed by Rémi Mercier from Canada. You can use it to build your own dedicated temperature control system for your computer, allowing your CPU/GPU/case fan to adjust the speed according to the temperature to achieve the best cooling and silent effects.

Quark Player is a web video services player based on the powerful Electron software framework, supporting Netflix, YouTube, Twitch, Floatplane, Hulu, Disney+, Amazon Prime Video, and more. It is a fork and successor of ElectronPlayer, which itself is a fork of (the same author's) Netflix app.

Nowadays, electronic devices that use Bluetooth to communicate with computers are becoming more and more popular, such as mobile phones, headset, mouse and keyboard. Bluetooth devices have minimum requirements for the version of the Bluetooth adapter on the computer, because a lower version of Bluetooth adapter cannot use a higher version of Bluetooth device. If you want to know the version of the Bluetooth adapter on your computer, in addition to manually checking (the LMP number) in the device manager, you can also use specialized software to solve this problem more easily.

WinStars is a free and very excellent virtual planetarium application for Windows, Mac, Linux, Android, iOS and Raspberry Pi platforms, developed by Franck RICHARD from France. It can be regarded as one of the most thoughtful and professional three-dimensional solar system simulation observation tools to date, and is suitable for teaching, entertainment, and viewing.

In fact, photogrammetry, a technology that uses photos to generate 3D models, is an old technology with a history of nearly 200 years. It mainly relies on multiple photos and videos taken by the camera to calculate the shape, size and spatial position of the target object. Nowadays, with the help of the huge computing power of computers, many software programs can directly read the object data in the photo and generate a 3D model.