Note Anywhere - Leave sticky notes on tabs in Chrome

Tresorit - Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.

Stickies Capture by Miro - Digitize and edit handwritten sticky notes

YourNote - Notes app that puts privacy first

StickyList - Your throwaway sticky note for your daily tasks. Digitized.

Cryptee - Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.