The following sentences are using grammar/English that could be improved for readability (I have italicised the sections that need fixing):

FreshRSS is an RSS feed aggregator to self-host like Kriss Feed or Leed. It is light and easy to take in hand while being powerful and configurable tool.

Some design elements come from Bootstrap although FreshRSS doesn’t use this framework. Icons come from GNOME project. Open Sans font police has been created by Steve Matteson. FreshRSS is based on Minz, a PHP framework.

Describe the solution you’d like
A restructuring of the sentences to make them more readable.