DMDE (short for DM Disk Editor) is a well-known hard disk data searching, editing and recovering tool for DOS, Windows, Mac and Linux platforms (both Console and GUI), developed by DMDE Software from Canada. It is very powerful, and it can effectively recover entire directory structures and files by using special algorithms even in complex situations where many other data recovery software can do nothing.

Nowadays, sharing photos and videos on various social media has become a part of people's daily life, but it is inevitable to face various infringement issues. In order to prevent others from piracy and to play a certain publicity role, many people choose to use watermarks to protect their image works. Of course, this is the only effective method at present.

The Forest Unseen is a forest observation notebook, which can be regarded as a natural history classic in recent years. It is also a nature note that combines professional natural observation and humanistic feelings like Aldo Leopold's famous natural literature A Sand County Almanac. As a popular science book, it has an amazing amount of information, but all kinds of professional theories and terminologies are also interesting in the author's notes.

DB AppMaker is a very friendly mobile application development automation tool for Windows. It can quickly generate Android and iOS applications for mobile platforms from MySQL, PostgreSQL, SQLite, Microsoft Access, Microsoft SQL Server and Oracle databases. During the entire process, users do not need to have any programming skills, use a development framework, or understand the development process of mobile applications and databases, which can greatly improve the development efficiency of mobile applications.

SpriteIlluminator is a powerful and friendly normal map production tool designed for 2D game objects and artworks, developed by CodeAndWeb from Germany. Its biggest function is to make the 2D surface generate a certain degree of detailed lighting direction and reflection effects. That is, create a 3D lighting effect on an ordinary 2D picture.