I want to be able to manage and sort them. I use firefox, so both tags and folders are okay. manually exporting groups of them to like documents related to the topic I was researching (and then removing the bookmark) would also be okay. Self-hosted solutions are also welcome.
Very successful post, thank you everyone for sharing your bookmark-related tools.
The free version is really full featured. Premium has some really cool features as well but free is not limited in any way.