Voxal Voice Changer is a very interesting and powerful human voice changing program for Windows and Mac platforms, developed by NCH Software from Australia. It allows users to change their voice in real time, and provides a variety of sound effects, such as: robot, girl, boy, alien, atmosphere, echo, etc.

Adobe Fresco (formerly called Project Gemini) is a digital drawing and painting application developed for touch control devices, launched by Adobe Systems. It realizes the most "natural" brush strokes and the perfect mixing between different colors. Its main rival is the very distinctive drawing application - Apple Pencil that is what Apple was doing its best to promote, and has been a favorite productivity tool on iPad for many graphic artists and illustrators.

In recent years, with the progress of information processing and analyzing technologies, many QDA (qualitative data analysis) programs have been equipped with very comprehensive and perfect functions, and provide us with more possibilities of using software to analyze text and multimedia data. Software can save time, make it easy to find data, and is more standardized. Especially when the data is too much and the analysis takes very long time, the advantage of software becomes more obvious. In addition, the use of software also provides convenience for multiple users to process materials at the same time in a teamwork.

NVivo (short for Nudist Vivo) is a very powerful qualitative data research and analysis software, developed by QSR International from Australia in 1999. Through node, coding and qualitative methods, it completes the leach and extraction of documents in different formats, and collates, analyzes and shares data for users.

010 Editor is a fresh-new and extremely powerful text file editor & hexadecimal file editor developed by SweetScape Software from Canada. It is absolutely an egde tool especially when it comes to analyzing the binary files. But what impressed me most is its support for searching and replacing block-level strings with line breaks. This feature is rare in all similar programs.