Musify is an excellent music batch download and conversion tool, developed by iTubeGo from Hong Kong in China. It can not only help users quickly download/extract high quality music from over 1000 online music/video sharing sites for offline listening, but also convert audio/video to various common audio formats for playback on different devices, so users don't need to bother about transcoding. Moreover, the conversion process does not lose the original audio quality.

The most important thing for publishers is to have a professional and user-friendly layout design tool to make their work more efficient. There are many page layout design programs, but few of them are professional, easy-to-use or efficient. Thereinto, Affinity Publisher is a desktop publishing edge tool for Windows and Mac platforms, developed by Serif Europe from United Kingdom in 2019. Compared to the popular Adobe InDesign and QuarkXPress, it not only has everything a professional-grade desktop publishing tool should include, but it's also easier to use and runs more smoothly.

With the development of network technology, our demand for file synchronization and backup is also becoming stronger. While various web disk services provide us with convenience, they also bring a lot of restrictions and risks in terms of speed, security and privacy. There are many cloud synchronization solutions, such as Seafile and Nextcloud, which are feature-rich but bulky and difficult to deploy cloud disk programs. But if we only need to synchronize files, then a better choice is Syncthing. In comparison, it is lighter, easier to deploy and use, more secure, and especially has faster file transfer.

Fing is a powerful and easy-to-use network security scanning tool for both PC and mobile platforms, claiming to be the #1 Network Scanner with wide acclaim in the world, developed by Overlook from Ireland. It can help you perform a variety of security checks on any WiFi network you can connect to, discover and identify all devices connected to your WiFi, test network speeds, troubleshoot network problems, and more.

When you use your computer to video chat with others, you may encounter awkward situations where the camera doesn't work, isn't clear enough, can't adjust its angle, or even doesn't have a camera. In such cases, you can connect and use your phone's camera for video calls via some software. Even with an old phone, its clarity is far better than almost any built-in or external HD camera. Better yet, you can also adjust its position and viewing angle at will.