There are already countless chatting software (such as WhatsApp, Skype, Discord, Facebook Messenger), but almost all of them are non-free software based on central servers, and their security and privacy are not guaranteed (any chat history of you will be sold to various companies). Many of them claim to encrypt communication content, even with end-to-end encryption, but when a platform is proprietary, there is simply no way for others to verify that it is as secure and private as it promises to be. Of course, there are some really safe and reliable ones, but they are frequently blocked by governments of various countries and cannot continue (such as Signal, Telegram).

OpenNetMeter is a simple and easy-to-use network traffic and data usage monitoring program for Windows, can tell you the total amount of transferred data that was received and sent to the PC as a whole, as well as data usage by each application. Compared to many of its peers, it's free, open-source and portable.

Sqlectron is a simple and lightweight SQL client for Windows, Mac and Linux platforms, coming with cross-database support. It makes it easier to manage databases, improves programming and development efficiency, and brings unparalleled workflow. In addition to desktop for GUI, it also provides Term for terminal in case you prefer terminal interfaces.

Each RGB device has its own style and comes with its own dedicated control software, but they have too many drawbacks: most are Windows-only, support only their own products, are difficult to use with other RGB devices (prone to conflicts), some even require registering for an online account, need to install bloatware, take up a lot of system resources, and come with some other problems. especially, it would be a pain to synchronize your various RGB lighting settings to your liking.

A Q&A website is an online platform for sharing knowledge, where users can ask their questions, and ultimately generates valuable information for the user through the act of social replies, comments and polls. Quickly solving users' problems will give them an excellent experience and they will like your website as a result, which will help increase the stickiness of your website. Also, Q&A content is more popular with search engines, which will bring you a constant stream of new users.