TreePad

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NoteLedge

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Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images. Pages are stored in a folder structure, like in an outliner, and can have attachments. Creating a new page is as easy as linking to a nonexistent page.

Microsoft OneNote is a collaborative note taking application. Microsoft OneNote can be used for free while a premium subscription of the software is available through Microsoft 365.

A free note-taking service developed by Google. With Google Keep you can quickly capture what's on your mind and get reminded at the right time or place. Google Keep is available on the web, and has mobile apps for the Android and iOS mobile operating systems. You can use your original Google Account, email or phone to access your notes stored in Google's cloud.

Turtl is a note taking application that uses high-end cryptography to protect your data. Whether you're worried about information leaks, competitive advantage, or blanket government surveillance, Turtl works hard to make sure only you, and those you choose, can see your data.

Orginize your notes effortlessly in the cloud with Evernote. The application is designed or note taking, organizing, task management, and archiving. With Evernote users can find information and take notes in the form of text, drawings, photographs, or saved web content that can be shared with anyone. Evernote is available cross platform and is free to sign up for, however premium features are provided at a monthly cost.