Notion 2.3 comes with a swath of new updates including a new simple import tool for Evernote, a new web clipper and much more.
QuickNote is a free, anonymous, do-what-ever-you-want note taking app available for everybody without account.
Keep It is a notebook, scrapbook and organizer, ideal for writing notes, keeping web links, storing documents, images or any kind of file, and finding them again. Available on Mac, and as a separate app for iPhone and iPad, Keep It is the destination for all those things you want to put somewhere, confident you will find them again later.
Dropmark for iOS offers all your stuff in one simple, visual place. Completely private and 100% ad free, and supports iOS 11 drag and drop.
Chars is a delightful and easy-to-use note-taking app for quickly writing down your thoughts. Then sharing, tweeting, or using them the way you want.
Also there is built-in special characters keyboard working inside the app or as system-wide keyboard extension.