Our original intention is to create such an Android note-taking software: It reads and writes file directories in a multi-level format, so that we can synchronize our note files between computers and mobile phones through cloud synchronization. As long as there is an Internet connection, we can turn on our mobile phones and record our thoughts at any time and anywhere. Our data is only stored on the device and our own cloud disk, so our notes will be more secure. It supports Markdown basic syntax, can render MathJax mathematical formulas, and provides a variety of themes and syntax highlighting. It can help us insert pictures and reference other notes in the form of relative paths. In this way, we can use pictures as we like in our notes without any picture bed. It can provide us with many ways to manage our notes. In addition to multi-level directories, you can also break directory restrictions and categorize your own notes in the form of tags. It can provide an efficient search mechanism and can find the keywords we want in all notes. Pictures are notes. We hope to be able to quickly record what is happening and our thoughts in the form of pictures + notes. In order to organize pictures, it should also provide functions such as picture cropping, transformation and processing. We want it to save what we write in real time... We want it to be able to export notes to HTML, text, PDF and images... We hope that it can make full use of platform features and provide some personalized functions, such as desktop widgets, shortcuts, notification bar buttons... We also hope... So, we made Leaf Note. Leaf Note is a private and secure note-taking software that supports Markdown syntax and cloud synchronization. It is not only powerful and smooth, but also has an elegant appearance. If a worker wants to do his job well, he must first sharpen his tools. We hope it helps you better record your thoughts. You can try it now. No matter you have any comments or suggestions, you can give us feedback at any time. Thanks!