TopNotes is described as 'powerful app for handwriting and organizing notes, sketches, diagrams, illusions and drawings. It is the easiest-to-use and going to be the best-selling handwriting app for iPad' and is an app in the Office & Productivity category. There are more than 50 alternatives to TopNotes for a variety of platforms, including Windows, Android, iPhone, iPad and Online / Web-based. The best alternative is Joplin, which is both free and Open Source. Other great apps like TopNotes are Standard Notes (Freemium, Open Source), Evernote (Freemium), CherryTree (Free, Open Source) and Cryptee (Freemium, Open Source).
Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.
EverFastAccess is a fast and smart note-taking app on Windows. EverFastAccess dramatically boosts your productivity and simplify your computing life with 1 simple movement of the mouse. Take notes, set reminders and save contents and links, all in 1 click.
Private Notebook is an easy to use password protected note taking app. Create, edit, delete, or share notes using the app and protect them behind a strong password. Store private notes, account passwords. Keep your secrets protected from others.