Natura Sound Therapy is a parameterized sound simulation player software that contains all kinds of natural sounds (such as waves, streams, thunder and lightning, forest twilight, and so on mysterious sounds from the nature). It can let the physically and mentally exhausted people living in a noisy city feel the purest natural sound on a computer, and give them some spiritual comfort.

ElectroDroid is a very popular Android application for learning various electronic devices in a circuit, developed by Demetrio Iero from Italy. It is very professional and powerful, provides you with a variety of circuit related information query and calculation services, and comes with a comprehensive database on electronic components. Therefore, it has been regarded as one of the essential tools for employees in electronics related industries.

EbookMaker is a powerful, professional yet easy-to-use eBook compiling software. It provides all the functions needed to make a multimedia e-book, which can meet the e-book author's custom requirements to e-book on user interface, functions, content protection and other aspects. If your job is to make all kinds of e-books, EbookMaker will bring a lot of convenience to your work and save you a lot of time.

When surfing the Internet, whenever we come across a useful or favorite website/URL, we are likely to add it into our bookmarks. Over time, the bookmarks we collected become more and more and messy (especially the ones that are broken and duplicated). At this time, do a thorough cleaning is very meaningful. However, manually opening webpage links one by one for verification and collation fomr the inbuilt bookmark manager of web browser is extremely tedious and inefficient. So, we have to utilize third-party tools.

First of all, you need to know that RAM has a maximum read/write speed of 100 times that of SSD and 200 times that of HDD. Therefore, when the physical memory is large enough, we can use some tools to create a virtual disk partition in the memory to specially store some frequently used programs and files (mainly temporary files generated by operating system or web browser), thus significantly improving the running speed of OS and software, and extending the service life of HDD and SSD.