Funny you ask this -- I'm working on a project that solves this exact use case:
We were just on Show HN [1] and Product Hunt earlier this week.
[1] - https://news.ycombinator.com/item?id=11629489
[2] - https://www.producthunt.com/tech/curabase
Wow, there must be something in the ether as there have been a string of Ask HN/Show HN questions around links and bookmarks...