When comparing Diigo Outliner vs Momentum, the Slant community recommends Momentum for most people. In the question“What are the best browser-based to-do list apps?” Momentum is ranked 14th while Diigo Outliner is ranked 15th. 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 Easy to organize ideas, tasks, links and notes hierarchically
Pro Links can be added from anywhere
Links can be added at the bottom of the outline from any web page, using Diigo's bookmark functionality.
Pro Nice-looking pasted URLs
Pasted URLs automatically turn into href links named with the title of that page
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
Cons
Con Impossible to add links, items and notes by email
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.