Raindrop.io

Raindrop.io is an all-in-one bookmark manager that enables users to collect, organize, and share web content. It allows for the categorization of bookmarks into collections with custom icons and offers both private and public sharing options. The service syncs across devices and supports importing bookmarks from other services.

Raindrop.io is a bookmark manager that allows users to collect, organize, and share links. It explicitly mentions collecting bookmarks, organizing them into collections (lists) and tagging them, and sharing collections publicly or privately. It also supports clipping various media types and has a clean interface. The app is available on iPhone and iPad, indicating mobile responsiveness, and offers in-app purchases for 'Pro' features, implying sign-in and authentication.