Pocket is also good for bookmarking and saving for future reference.
Showvhick Nath made this productBasket allows you to bookmark more effectively. It has some features which are most essential like keeping a note along with the link you are saving, saving items categorically. Also it allows to quick mark items like "To check", "To share". Also comes with offline features, read-later, customized reading and it's completely free. totally personal and no-ad app.
ReNo enables you to combine a link with your remarks in a so called NOTE. A great feature is the EDIT-MODE where you can see the website to the right while you can write your remarks on the left. NOTES can be nested and structured so that you have different projects and folders.