Web app makes it easy to create, manage and organize thematic collections of links.
Key features:
100% free version.
My comment: Straightforward, simple and easy-to-use. Makes it easy to create link collections of any kind. Too bad it doesn't (yet) offer any way to add personal comments and evaluations to the cards in a collection.
Example: https://zave.co/RobinGood
Try it out now: https://zave.co/