Tidily.io is described as 'Daily kanban & calendar for your day to day tasks,' and is an website in the Office & Productivity category. There are more than 100 alternatives to Tidily.io, not only websites but also apps for a variety of platforms, including Android, Windows, iPhone and Mac. The best alternative is Joplin, which is both free and Open Source. Other great sites and apps similar to Tidily.io are Standard Notes (Freemium, Open Source), Google Keep (Free), Microsoft OneNote (Freemium) and Evernote (Freemium).
Notebook PEAs - encryption of notes. Protects your private notes with a password. The text is never stored unencrypted on your disk (until you explicitly decide to do that). The used cryptographic primitives are currently considered as safe as possible.
Drafts, where text starts. Quickly capture text and send it almost anywhere! Drafts lets you turn text into action – it’s a quick notebook, handy editor, and writing automation tool, all in one. Open it and write right away, and create.
NoteAway is the simplest, most convenient way to take quick notes on OS X. NoteAway has lots of powerful features for free, like iCloud syncing, rich text, attachments, simple import/export, and a variety of customizable options.