Mind+ (AKA: Mindplus) is a teenager visual programming software developed based on Scratch 3.0 with independent intellectual property rights, made by DFRobot from China, in 2013. With it, users only need to drag the graphical program blocks to complete programming. They can also use advanced programming languages such as Python/C/C++. It is suitable for on-campus teaching, project creation, maker competitions, and other scenarios, allowing children to easily experience the fun of programming.

Many popular remote desktop utilities require payment to access their full features, which can deter some users. In this case, a cost-free, open-source solution is appealing and could potentially offer excellent functionality. HopToDesk fits this description, providing users with numerous features while asking for very little in return.

Zotero is a free, open-source, powerful and easy-to-use reference management tool designed to help researchers and academics organize, cite, and share their research materials. It allows users to collect and store a wide variety of sources, including books, articles, websites, and multimedia.

Mixxx is a free, open-source yet powerful DJ software solution for Windows, Mac and Linux platforms. It provides a comprehensive platform for both amateur and professional DJs, and offers a wide array of features that facilitate live mixing, including support for various audio formats, advanced beat detection, and a customizable interface.

DFSee is a powerful and versatile disk and file system management tool designed for both casual computer enthusiasts and IT professionals, developed by Jan van Wijk from Netherlands. It offers a sophisticated suite of tools designed to help you effectively manage your disk and prepare for unforeseen circumstances, whether it's a minor error or a complete failure to boot.