When comparing Momentum vs Tabliss, the Slant community recommends Momentum for most people. In the question“What are the best new tab extensions for Chrome?” Momentum is ranked 2nd while Tabliss is ranked 13th. The most important reason people chose Momentum is:
Momentum has a different, beautiful background image each day. It displays the time, a welcoming message and a reminder in the middle of the page and hides all other functionality out of focus.
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Pros
Pro Beautiful design
Momentum has a different, beautiful background image each day. It displays the time, a welcoming message and a reminder in the middle of the page and hides all other functionality out of focus.
Pro Provides with weather information
Current temperature and weather conditions are shown in the top-right corner.
Pro Built-in to-do list
Momentum has a simple to-do list that can be accessed from the bottom-right corner of the page.
Pro Reminds of the day's goal
Momentum asks the user what's the focus of the day and then shows that information is each time a new tab is opened.
Pro Inspirational quote
Momentum shows you a new inspirational quote, once a day.
Pro Displays bookmarks nicely
It shows your bookmarks and most frecent sites in a really nice way
Pro Free and Open source and gets the job done
FOSS and has necessary features to make a great start up page. Highly recommend.
Pro Has a web version
Phones usually don't support extensions. A web version is a godsend, especially since it has a dedicated mobile webpage.
Cons
Con Some basic features not free
It costs to use features like changing the background manually.
Con Can't add bookmarks
You can't add bookmarks to it
Con Can't be customized
There are no customization options. Existing items can't be turned off.
Con 4K images not available
When accessed from a 4K display, the images will be bad quality.
Con Essential features only
This extension features a few but useful features only. But it is a great new tab page nonetheless.
P.S. If you wanna add new features, you can just fork the source code if you are that kinda guy (its FOSS).
Con Limited customization
Widgets can't be customized a lot.