Using KeeWeb, you can choose to save the password management to the local browser. Of course, it is more recommended to use cloud storage, which supports WebDAV, Dropbox, Google Drive, OneDrive, and local database files, or import XML.
Yu Writer is a Markdown text editor. You can use it as a notepad to edit some short texts, or write notes and write mood diaries. You can also use it to write technical documents, papers, and self-media articles. It can also be used to write blogs, or even write novels and books.