When comparing Card Board vs Tagpacker, the Slant community recommends Tagpacker for most people. In the question“What are the best new tab extensions for Chrome?” Tagpacker is ranked 18th while Card Board is ranked 55th. The most important reason people chose Tagpacker is:
The company earns (enough) money with affiliate links, therefore there is no need for a purchasable pro membership.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source (MIT)
Source code can be accessed at https://github.com/dotlouis/cardboard
Pro Lots of widgets
The extension has cards for apps, bookmarks, quick settings, top sites, downloads, history, session and system.
Pro Can provide system information
The extension has a widget that displays CPU and memory usage as well as storage information.
Pro Google Now style layout
The extensions has a clean customizable card-based interface.
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 Limited customization options
While it's possible to choose which cards are displayed, there's no way to change the order of cards.
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.