Joplin

Joplin is a free, open-source note-taking application that helps you organize and synchronize your notes, to-do lists, and ideas across multiple devices. It supports rich text formatting, multimedia attachments, and can securely encrypt your data. Joplin allows you to categorize notes with notebooks and tags, making information easy to find. It works on various platforms, including Windows, macOS, Linux, iOS, and Android. Designed for privacy and flexibility, Joplin can sync your notes via cloud services like Dropbox or OneDrive or operate locally without internet access, making it a versatile tool for personal and professional organization.