BookmarkSheet - Your bookmarks in Google Sheets
Buno - Simple Note Taking - Simple, minimal & easy note-taking
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Chars - Unicode Symbols Keyboard for iOS
Bookmark It - Create awesome notes on YouTube videos
QuickJots - Jot down quick notes and auto-save them with QuickJots. Use GitHub Flavoured Markdown to easily embed images, or even task-lists to track to-dos. It's private — all notes stay local; no login or downloads are needed. There's a dark mode too!