When comparing Mosaic vs Tagpacker, the Slant community recommends Mosaic for most people. In the question“What are the best new tab extensions for Chrome?” Mosaic is ranked 16th while Tagpacker is ranked 18th. The most important reason people chose Mosaic is:
Mosaic displays bookmarks in a tiled layout on a changing background.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Clean, tiled interface
Mosaic displays bookmarks in a tiled layout on a changing background.
Pro 100% free (at the moment)
The company earns (enough) money with affiliate links, therefore there is no need for a purchasable pro membership.
Pro Auto tagging
It makes tag suggestions based on your tags already used
Pro Follows strict privacy rules
Because it is located in Germany, the company has to follow very strict rules regarding privacy.
Pro Automate tasks with Zapier
Automating tasks with Zapier.
Pro API
Programatically access links and tags.
Pro Clean, efficient UI
Pro Date
It saves the date when the bookmark is added
Cons
Con In alpha
It's still early in development and parts of it may be buggy.
Con Uses affiliate links, which can be seen as an invasion of privacy
Affiliate links are usually not only a way to earn money with advertisement. They also include generating user profiles, which could be seen as a big privacy issue.